How to install macOS Tahoe on unsupported Macs

With OpenCore Legacy Patcher, now on version 3, you can get macOS Tahoe running on Intel Macs released more than fifteen years ago. Here's how to get everything set up.

Though Apple Silicon Macs have already moved on to macOS Golden Gate, the preceding macOS Tahoe remains a crucial update for older Apple computers. macOS Tahoe is the last release of macOS with support for Intel-based machines, running on select Macs released in 2019 and 2020.

Owners of older hardware were simply out of luck, until now. With Dortania's OpenCore Legacy Patcher 3.0, a prominent third-party solution, it's possible to run macOS Tahoe on a variety of unsupported Macs, including models over a decade and a half old.

At the time of writing, version 3.0.0 of the OpenCore Legacy Patcher is still in the release candidate stage. This means that, although macOS Tahoe will likely run on your older Mac, you might encounter difficulties installing it, and you might experience bugs in the OS itself.

Nonetheless, OCLP remains as significant as it has ever been for owners of vintage Apple hardware. With it, you can get new software features and web browsers on machines Apple has given up on altogether.

The patcher uses the OpenCore bootloader to "inject and patch data in memory instead of on disk." According to the OCLP GitHub page, this is why the patcher can achieve near-native levels of performance on officially unsupported Apple hardware.

OpenCore is a so-called custom bootloader, loaded before the main operating system. It's an open-source project, available on acidanthera's GitHub page. At startup, it lets you select between one or more operating systems currently installed.

On its own, OpenCore is commonly used in the Hackintosh community, where people install macOS on non-Apple PCs. This guide, however, focuses only on OpenCore Legacy Patcher 3.0 and how to use it to install macOS Tahoe on genuine, unsupported Mac computers. No prior knowledge is necessary, apart from basic familiarity with macOS.

Before upgrading to macOS Tahoe, it's important to understand which operating systems and Mac models are compatible with Dortania's OpenCore Legacy Patcher 3.0.

Which versions of macOS can you run with OpenCore Legacy Patcher 3.0.0?

OpenCore Legacy Patcher lets you install any version from macOS Big Sur to macOS Tahoe on select unsupported machines. Version 3.0.0 introduced macOS Tahoe support, while older builds of the patcher only support macOS Big Sur through macOS Sequoia.

For older versions of macOS, AppleInsider suggests checking out dosdude1's Catalina patcher. NexPostFacto is great for even older Mac computers that can't officially run macOS Mavericks, like the original Intel iMac from 2006.

At the time of writing, OpenCore Legacy Patcher 3.0.0 is primarily intended for use with macOS Tahoe 26.7, macOS 26.7.1, and macOS 26.7.2. As it currently stands, macOS Golden Gate support is neither planned nor feasible, since the update only supports Apple Silicon Macs.

Which Mac models are capable of running macOS Tahoe via OCLP?

According to the OpenCore Legacy Patcher GitHub page, the software makes it possible to run macOS Sequoia on the following unsupported Mac computers:

• Late 2008 to 2017 13-inch and 12-inch MacBooks
• Late 2008 to 2017 11-inch and 13-inch MacBook Airs
• Early 2008 to 2017 13-inch, 15-inch and 17-inch MacBook Pros
• Early 2009 to 2014 Mac minis
• Mid-2007* to 2019* 20-inch to 27-inch iMacs
• Early 2008 to 2013 Mac Pros
• Early 2009 to 2011 XServe

Note that Mid-2007 iMac models require an upgraded CPU for use with OpenCore Legacy Patcher. These computers can be upgraded with either a T9300 2.5 GHz Intel Core 2 Duo or a T9500 2.6 GHz Intel Core 2 Duo. 2019 iMacs currently cannot boot into macOS Tahoe by default, but this issue is being worked on.

For Early 2009 through Mid 2011 iMacs, as well as Early 2008 and 2009 Xserve models, an upgrade to a Metal-compatible GPU is recommended for better graphics performance and graphics acceleration. Metal is Apple's GPU-accelerated graphics and compute framework, used throughout more recent versions of macOS.

Pre-2012 Macs typically lack a Metal-compatible GPU by default, though select iMac and XServe machines can be upgraded with newer graphics cards. OCLP still supports non-Metal Macs, but users will experience performance issues and Metal-related UI problems, such as the Photos app failing to load.

At the time of writing, Macs with a T2 security chip cannot be upgraded to macOS Tahoe or macOS Sequoia via OCLP. The following Macs are currently NOT compatible with OpenCore Legacy Patcher 3.0.0:

• All 2018 and 2019 MacBook Pro models
• All 2018 and 2019 MacBook Air models
• 2017 iMac Pro

Due to an issue with the T2 chip, these Apple computers are stuck on older versions of macOS for the time being.

Preparing your Mac for macOS Tahoe

Before attempting to install an unsupported version of macOS, it's important to take a few precautions, and to ensure you have the equipment necessary to proceed.

If you want to run macOS Tahoe, upgrading your Mac to at least 8GB of RAM is recommended.

As with every major software update, AppleInsider recommends that you make a backup of the most important data stored on your Mac. We also suggest using a form of portable flash storage media, such as an external solid-state drive (SSD), USB flash drive, or a large enough SD card. Alternatively, you can use cloud-based backup solutions or a mechanical hard drive.

While it may be tempting to try to install macOS Tahoe right away, it's best to first update your Mac to its last officially supported version. For a 2012 unibody MacBook Pro, for instance, this means updating the laptop to macOS Catalina.

For optimal performance, you'll also want to upgrade your Mac's hardware, if possible. On select Macs, the RAM, storage, CPU, and GPU can be upgraded. Ideally, your Mac should have at least 8GB of RAM and an internal solid-state drive (SSD) for use with macOS Tahoe.

Note that, with macOS Tahoe, Apple removed support for Fusion Drives, and OCLP 3.0.0 is not compatible with Fusion Drives, either. This type of drive is commonly found in base model Intel iMacs from the 2010s. If your Mac has a Fusion Drive, your best option is to replace it with an SSD.

This might look ridiculous, but you will need wired peripherals to install macOS Tahoe via OCLP on select older MacBooks.

Some of the oldest Macs supported by OCLP require wired peripherals during the macOS Tahoe installation process, even if they already have input devices. The built-in trackpad and keyboard on MacBook Pros from 2008 and 2009 are unusable while installing macOS 26, so you will need to connect a USB 1.1-compatible keyboard and mouse.

In short, this means you'll need an older keyboard and mouse to install macOS Tahoe on your MacBook Pro. From our testing, AppleInsider can confirm that the wired Apple Keyboard, model number A1243, from 2013, will get the job done. This particular keyboard has USB-A ports on its sides, which you can use to connect a wired mouse.

Next, make sure your Mac has an active internet connection via Ethernet, if it has a built-in port. Many older Macs capable of running macOS Tahoe with OCLP require root patches for wireless connectivity, meaning Wi-Fi isn't available during the macOS Tahoe installation and setup process.

Once you've prepared the necessary peripherals, backed up your data, updated your Mac to its last officially supported version, and ensured that your Mac can run macOS 26 via OCLP, you're ready to proceed.

For the next step, you will need a 32GB or larger USB flash drive, or an external SSD, as this is required to create a bootable macOS Tahoe installer with OpenCore Legacy Patcher. First, you will need to download the Patcher itself and a compatible Kernel Debug Kit.

Downloading and installing OpenCore Legacy Patcher, Apple's KDKs

You can download OpenCore Legacy Patcher version 3.0.0 from the releases section of Dortania's official GitHub page. From the page area labeled Assets, select OpenCore-Patcher.pkg, download the file, and install it.

Click on "OpenCore-Patcher.pkg," download and install the package.

After you've downloaded and installed the .pkg file, you can find the OpenCore Legacy Patcher app in your Applications folder. In theory, OCLP is the only software you should need to install and use macOS Tahoe, but in reality, you will likely need an additional resource from Apple itself.

For most older Macs, it's a good idea to download Apple's Kernel Debug Kit (KDK) for the operating system version you plan to install. KDKs for macOS 26.7, 26.7.1, and 26.7.2 are available on Dortania's GitHub page.

From the Assets tab, select the Kernel Debug Kit DMG file and download it. You will need the KDK after installing macOS Tahoe on your old Mac, as a prerequisite for root patching.

Apple's Kernel Developer Kit is necessary for root patching on some older Macs.

Older Macs will not have Wi-Fi immediately enabled after installing macOS Tahoe. This makes it difficult, if not impossible, to download the KDK needed for Wi-Fi patches and other features.

That's why having the proper KDK on a modern Mac, on a separate USB drive, SD card, or external SSD, will come in handy later on.

Once you've downloaded the proper KDK and OCLP, you're ready to make a macOS Tahoe installer with the OpenCore Legacy Patcher. Now, plug in the USB flash drive or external SSD you'll use to create a bootable macOS installer.

Creating a bootable macOS install drive with OpenCore Legacy Patcher

With OpenCore Patcher 3.0.0, the development team added a credits screen that appears whenever the patcher is launched for the first time. Scroll down until you see the Continue button, and click it.

After that, you'll be greeted with the patcher's main graphical user interface. OCLP includes a built-in option to create a bootable installer. Clicking the Create macOS Installer button will let you select the macOS version you wish to install.

Click on the "Create macOS Installer" option in the OpenCore Legacy Patcher app.

The patcher can download macOS installer apps from the internet, or you can use a macOS Tahoe installer app you already downloaded beforehand. Direct download links for macOS installer packages can be found on Mr. Macintosh's website.

To download a macOS Installer package from the internet, click on Download macOS Installer.

You can choose to download a macOS Installer app from the internet or use one you downloaded earlier.

The OpenCore Legacy Patcher will now present you with a list of different installers that can be downloaded. Choose macOS Tahoe 26.7, 26.7.1, or 26.7.2, the same version for which you downloaded a Kernel Debug Kit beforehand.

OpenCore Legacy Patcher can download macOS Tahoe installer packages from the internet.

Once you have downloaded a macOS Tahoe installer, you can create a bootable macOS installer drive via the OpenCore Legacy Patcher app.

The OpenCore Legacy Patcher app will ask you to select a local disk. Select the USB drive or external solid-state drive you plugged in earlier.

Select the external drive to be used for the bootable macOS Tahoe installer.

The OpenCore Patcher will remind you that all data on this disk will be erased. This is necessary to create the macOS Tahoe installer, so click the Yes button.

Select "Yes," as you will need to erase the drive to create the bootable macOS installer.

The Patcher application will now start creating a bootable macOS installer. This step will take some time, depending on the speed of your external drive.

After the Patcher has created a bootable macOS installer, you will see a prompt asking you if you want to install OpenCore on this drive. You need to click Yes when this prompt shows up; otherwise, you won't be able to boot into the installer.

Now the OpenCore Legacy Patcher will start building the correct OpenCore configuration for your Mac. You will see a pop-up once this is finished. Click on Install to disk.

After building an OpenCore configuration, click on "Install to disk."

You will now have to select your external USB drive or solid-state drive. Do not select your Mac's main drive, or you will not be able to boot into the installer.

Select your external drive from the list.

Then select the EFI of the external drive plugged into your Mac.

Select the EFI of the external drive.

Once you've created a bootable macOS Tahoe installer with OpenCore installed on the external drive's EFI, connect a wired keyboard and mouse if you're using a 2008 or 2009 MacBook Pro. Then, you can click Reboot to restart your Mac.

Once OpenCore is installed on the external drive, click "Reboot."

Your Mac should then restart.

Installing macOS Tahoe

As soon as the Mac powers on, press and hold the Option or Alt key on your keyboard. A blank screen with multiple large icons will pop up. Use the arrow keys to select the EFI Boot option and press the Return key.

Select "EFI Boot" from the boot menu — Image Credit: Anson Alexander on YouTube.

After doing so, you will see a second, similar screen. This time, you'll need to use the arrow keys to select Install macOS Tahoe and press the Return key.

Select "Install macOS Tahoe" with the arrow keys, then press the "Return" key. Image credit: Anson Alexander on YouTube.

Your computer should now boot into the macOS Tahoe installer from the external drive plugged in earlier. Note that with select older Macs, like 2008 and 2009 MacBook Pro models, the built-in keyboard and trackpad cannot be used during the macOS Tahoe installation process.

Consequently, you will need to navigate the necessary macOS Tahoe installer menus using the wired keyboard and mouse you plugged in earlier.

From here, you can install macOS Tahoe as you would normally, by simply selecting Install macOS Tahoe, agreeing to the license agreement, and selecting your Mac's internal drive as the location to install macOS Tahoe.

Doing so will install macOS Tahoe while preserving the data, applications, and settings you may already have on your Mac. Alternatively, you can also erase or partition your Mac's internal drive with Disk Utility, and then install a fresh copy of macOS Tahoe.

macOS Tahoe installation and setup process, known issues

Once you have accepted the terms of Apple's license agreement and chosen your Mac's internal drive, macOS Tahoe will begin installing.

During the process, your Mac should reboot multiple times. Do not interact with the Mac while it is installing macOS or while it's rebooting. Wait until the installer has finished before going back to the computer.

If your Mac has built-in fans, as is the case with MacBook Pro models, you may hear the fans turn on. This is normal during the installation process and is no cause for alarm.

After the installation is complete, if you chose to install. macOS Tahoe on a blank drive or partition, you'll be greeted with a setup screen. Here you'll need to make a local user account and configure macOS Settings.

Note that many older Macs are extremely slow during the setup process, to the extent that they may appear unresponsive altogether. However, with enough patience, you will be able to complete most of the setup process.

Additionally, as internet access may not be available during the macOS Tahoe setup, you will need to configure your Apple Account and iCloud settings later. This does not mean your Mac has experienced a hardware failure and is, once again, no cause for alarm.

During the setup screen where you're meant to configure automatic update settings for macOS Tahoe, you will encounter a minor issue. At the time of writing, the macOS Tahoe Setup Assistant freezes once an update setting has been selected.

Setup Assistant will freeze at this screen, and you will have to force-reboot your Mac. Image Credit: Anson Alexander on YouTube.

According to the OCLP development team, the Setup Assistant freezes because of the "Hello" screen that's supposed to follow. This screen is meant to be rendered using Metal, and given that Macs running OCLP don't have root patches at this stage, they can't load the "Hello" screen.

As a result, you will need to force reboot your Mac once the Install Assistant stops responding. To do so, simply hold the Power button for five seconds. Your Mac should shut down, and now you can boot it up normally.

What to do if your Mac is unreasonably slow right after installing macOS Tahoe

During the last phase of the macOS Tahoe installation process, OpenCore Legacy Patcher 3.0.0 attempts to automatically apply so-called "root patches."

These patches enable features such as Metal graphics acceleration, the keyboard backlight, built-in keyboard and trackpad, and more, depending on the model. However, release candidate builds of OpenCore Legacy Patcher 3.0.0 will not install the necessary root patches automatically.

This means that your Mac will be unreasonably slow and experience graphical glitches, including a gray dock, upon first using macOS Tahoe. With 2008 and 2009 MacBook Pro models, the integrated keyboard and trackpad are still non-functional at this stage, meaning you'll need to use wired peripherals.

Thankfully, there's an easy fix, where Apple's Kernel Debug Kit often comes into play.

Installing the Apple Kernel Debug Kit for macOS Tahoe

After booting into macOS Tahoe, transfer the OpenCore-Patcher.pkg file and the KDK you downloaded previously onto the drive with macOS Tahoe. Then, install both utilities.

Installing the Kernel Debug Kit is a straightforward endeavor.

macOS Tahoe will often refuse to open Apple's Kernel Debug Kit due to the operating system's security Settings. You might have to open System Settings > Privacy and Security, and scroll down to manually allow the KDK installer to open.

Once you've installed the correct KDK, you're ready to apply root patches to enable Wi-Fi, the keyboard, trackpad, and more hardware features, depending on your Mac model.

If the OpenCore Legacy Patcher prompts you to install root patches, click the OK button, followed by the Reboot button.

OCLP can detect when you're missing root patches.

If this prompt does not appear, you will need to install the root patches manually.

Manually applying post-install root patches

Open the OCLP app and select Post-Install Root Patch. A post-install menu will pop up, informing you if any root patches are necessary.

Select "Post-Install Root Patch" in the OpenCore Legacy Patcher app.

If the description says anything other than "Revert first to update or reinstall OCLP," click the Start Root Patching button.

If you see anything other than "Revert first to update or reinstall OCLP patches," click on "Start Root Patching."

The OpenCore Legacy Patcher will identify your Mac model and apply the necessary root patches. Doing so will enable graphics acceleration and certain hardware components, depending on the Mac. In short, you should no longer see a gray dock after applying the root patches and restarting.

Once the root patches have been installed, the OpenCore Legacy Patcher will ask if you want to reboot your Mac. Click Reboot. After this, you should not experience graphical issues anymore.

Once the root patches have been installed, click on "Reboot."

After you have applied the post-install root patches, you need to install OpenCore on your Mac's internal drive so that your computer can boot without the external installer drive.

Installing the OpenCore bootloader on your Mac's internal drive

Currently, your Mac uses the OpenCore bootloader installed on the external drive, which was used to install macOS Tahoe. This means your Mac cannot boot into its new operating system unless the drive is connected.

To remove this requirement, you'll need to install OpenCore on the internal drive of your Mac, the same drive or partition where macOS Tahoe was just installed.

The OpenCore Legacy Patcher application will typically notify you if you're using OpenCore from an external drive. It will offer to install OpenCore on your Mac's internal storage. Click on OK if you see a prompt about this.

The OpenCore Legacy Patcher app will notify you if your Mac is booting OpenCore from an external drive. Click "OK" to install OpenCore on your main drive.

This will start building an OpenCore configuration for your Mac. If the previous prompt doesn't appear, you can build OpenCore manually. To do this, open the OpenCore Legacy Patcher app and select Build and install OpenCore.

After an OpenCore configuration has been created, click on Install to disk.

After building an OpenCore configuration, click on "Install to disk."

The patcher will ask you to select a local disk. Choose your Mac's internal drive and not the external USB or solid-state drive.

Select your Mac's internal storage drive, and not the external install drive.

After this, you'll need to select the internal drive's EFI and install OpenCore onto it. Once this is done, eject and unplug the external drive, and reboot your Mac as instructed by the OpenCore Legacy Patcher app.

Once OpenCore has been installed on the main drive, eject your external drive and click "Reboot."

As soon as your Mac turns on, press and hold the Option or Alt key. Use the arrow keys to select the EFI Boot icon, and press the Return key. Your Mac should now be able to boot into macOS Tahoe directly from the internal drive.

Disabling automatic downloads for software updates

Once you have successfully installed macOS Tahoe, and once your Mac can boot into the operating system without any issues, you're ready to move to the next step.

Open System Settings, navigate to General > Software Update.

Navigate to System Settings > Software Update > Automatic Updates and disable all automatic updates.

After this, click the i icon next to the Automatic Updates setting. Make sure that all of the options listed here are disabled.

Turn off all of the settings pictured here.

Disabling these automatic downloads significantly reduces the chances of experiencing issues with your operating system in the future. Your Mac will not be able to, for instance, install a new operating system update that is incompatible with the version of OpenCore Legacy Patcher currently installed.

Performance and overall usability of macOS Tahoe on unsupported hardware

You should now have a Mac that runs macOS Tahoe without any major issues. However, many of the machines supported by OpenCore Legacy Patcher debuted over a decade and a half ago, and it shows when using macOS Tahoe.

With older hardware, the performance obviously won't be up to par with officially supported machines, especially those with an M1 or newer chip. The main issue with macOS Tahoe on unsupported Macs is the time the machines take to get ready for use.

Even on computers with Metal-capable graphics cards, it still takes about a minute until all macOS Tahoe user interface elements fully load. On Macs that support Metal, boot times are similar to macOS Sequoia.

On Metal-capable machines, such as the 2012 MacBook Pro, performance is on par with macOS Sequoia, and possibly even better. While perhaps not ideal, macOS Tahoe is perfectly usable on this machine. Performance will obviously still vary depending on your Mac's specific hardware, and whether or not it's been upgraded.

When it comes to older Macs without a Metal-compatible GPU, however, such as the 2008 or 2009 MacBook Pro models, the situation is substantially different. Even with an SSD and 8GB of RAM, you will still have to wait about five minutes for macOS Tahoe to become usable.

Even that usability is questionable, as you will find yourself waiting minutes for select apps or UI elements to load. In short, macOS Tahoe is usable on non-Metal Macs only if you have the patience of a saint.

Worse yet, many unsupported Macs don't get all the bells and whistles Apple announced with macOS Tahoe or even macOS Sequoia, as most new capabilities are hardware-specific.

Siri AI and Apple Intelligence are not available on unsupported Macs or Intel Macs

The main drawback of using an older Mac on Tahoe is the lack of Apple Intelligence. Intel-based Macs, even those officially supported by Apple, do not feature Apple Intelligence as they lack the necessary hardware.

Siri and Apple Intelligence are not available on unsupported Macs or any Intel-based Macs.

Apple Intelligence is the name used for Apple's generative AI feature suite, which lets users edit images and text and summarize emails or conversations with the help of artificial intelligence.

Macs with an Intel processor don't have a neural processing unit or NPU, which is needed for Apple Intelligence. Only Mac computers with an M1 or newer Apple Silicon chip feature an NPU, which Apple calls the Neural Engine.

As a result, users of older, Intel-based Mac computers cannot access any of Apple's more recent AI features. No Apple Intelligence capabilities, be they from macOS Tahoe or macOS Sequoia, are available on Macs using OCLP.

Siri AI isn't available on Intel-based Macs either. The upgraded virtual assistant is offered only on macOS 27, an update exclusive to Apple Silicon Macs. At the time of writing, there are no indications to suggest Apple Intelligence or Siri AI can be ported to Macs with an Intel processor.

iPhone Mirroring will not work on older Macs without a T2 security chip

With macOS Sequoia, Apple introduced the "iPhone Mirroring" app, which lets you mirror the screen of your iPhone on your Mac. On officially supported Macs and iPhones, you can use this feature to easily drag and drop files between the two devices as well.

iPhone Mirroring requires T2 security chip attestation to work.

Apple's iPhone Mirroring application unfortunately has a hardware-based requirement. For the feature to work, an Intel Mac needs to have a T2 security chip. Many older Mac models supported by OpenCore Legacy Patcher do not feature a T2 security chip, making iPhone Mirroring impossible on these computers.

MacBook Pro and MacBook Air models from 2018 and 2019 all feature the T2 security chip required for iPhone Mirroring, as is the case with the 2017 iMac Pro. However, macOS Tahoe cannot be installed on these machines with OpenCore Legacy Patcher 3.0.0. Apple does not offer macOS Tahoe support for these computers, either.

Issues with Non-Metal Macs

Most Pre-2012 Macs lack a Metal-compatible graphics card. Simply put, Metal is a hardware-specific graphics acceleration framework that's used throughout macOS.

Apps like Maps, Journal, and Games will crash on non-Metal Macs running macOS Tahoe via OCLP.

OpenCore Legacy Patcher's developers have created root patches specifically for non-Metal Macs. Users of older Mac computers will still be able to use macOS Tahoe without major problems, assuming they have the patience to wait for everything to load.

Additionally, non-Metal Macs may experience issues with features such as Tiled windows and Stage Manager. On these machines, the new Journal app is only partly functional, and it crashes whenever you attempt to make a new entry, while the Games and Maps apps crash upon launch.

Apps such as Photos and Weather also may not work properly on non-Metal machines running macOS Tahoe. Macs without a Metal-capable GPU also experience significant lag caused by the new wallpapers found in macOS Tahoe. Reverting to older macOS wallpapers, or using OpenCore Legacy Patcher 3.0.0 RC5 solves the issue.

At the time of writing, the OCLP development team notes that web views are broken on select non-Metal Macs, meaning the patcher's credits screen won't always load properly. The screen can be skipped before graphics patches are applied, though.

The official OpenCore Legacy Patcher GitHub page has a list of known problems affecting Macs without a Metal-compatible GPU. There are issues affecting two Metal-compatible Macs as well, with the 2019 iMac being unable to boot into Tahoe, and corrupted graphics plaguing the 2015 12-inch MacBook.

With the 2012 MacBook Pro we used for testing, we encountered a recurring issue where the keyboard and trackpad became unresponsive. This happened whenever we tried to log back into macOS after the laptop had entered sleep mode. Force-rebooting solves the issue temporarily.

Version 3.0.0 of the OpenCore Legacy Patcher is still in the release candidate stage, so some of these issues will likely be addressed in the future. Even in its current state, however, OCLP 3.0.0 helps old Macs learn some new tricks.

Liquid Glass, iPhone Calls, and other features you get with macOS Tahoe

While Apple Intelligence, Siri AI, and iPhone Mirroring are unavailable on unsupported Macs, you'll still get to enjoy many of the other enhancements found within macOS Tahoe, including Liquid Glass.

Installing macOS Tahoe via OCLP gets you Liquid Glass and three new apps.

Introduced at WWDC 2026, Liquid Glass is Apple's latest user interface overhaul, with a glass-like design replacing the flat aesthetic used from macOS Yosemite through macOS Sequoia. Countless UI elements have been redesigned to resemble rounded glass objects.

You'll see the change right from the Lock Screen clock, through the Menu Bar and Control Center, down to the Dock and its icons. Application windows have more rounded corners, while buttons and sliders have different, more bouncy animations.

This, of course, has its downsides, as the new UI takes a lot longer to load on both Metal and non-Metal Macs. It appears as though the new design does take a slight toll on performance as well, though not to the point where it makes things unusable.

LaunchPad, meanwhile, has been replaced with the Apps view, effectively an app library of sorts. In our opinion, the change is a downgrade, as the new UI element takes longer to load and makes it difficult to find applications. For some reason, we also saw some system apps appear twice.

Speaking of apps, macOS Tahoe delivers three completely new ones: the Journal, Games, and Phone applications. While the Journal and Games apps don't work on non-Metal Macs, we've found that the Phone app lets you make phone calls even on non-Metal Macs.

The Games app, as its name implies, is meant to house your Mac's video game library. It also offers access to Apple Arcade titles, as well as Game Center integration. Apple's new game-focused app is a great addition, though you might not get much use out of it on Macs with dated hardware.

Apple's Journal app, meanwhile, offers an experience similar to the Notes application. You can log your thoughts, ideas, plans, daily schedules, and so on, and it even works with iCloud. Again, however, you won't get to use these without a Metal-compatible GPU.

Safari 26 and Safari 27, meanwhile, run on both Metal and non-Metal Macs, meaning you'll get access to Apple's latest version of WebKit. This comes in handy for modern websites, which increasingly require newer and newer web browsers.

Additional resources for installing macOS Tahoe on unsupported Macs

While this guide presents a basic overview of the macOS Tahoe installation process, it is by no means all-encompassing. That is why we recommend checking the official Dortania OpenCore Legacy Patcher GitHub page.

The page, from the developers themselves, includes a detailed guide and numerous useful resources. It also details the individual issues that affect specific unsupported Mac models and lists potential workarounds for some of them.

Note, however, that OpenCore Legacy Patcher 3.0.0 is still in the release candidate stage, meaning the development team will not offer assistance with installing macOS Tahoe just yet.

For those who prefer guides in video form, Mr. Macintosh has a dedicated video on installing macOS Tahoe via the OpenCore Legacy Patcher on unsupported Macs. Anson Alexander also has a similar video on his channel.

While there are plenty of useful resources and videos detailing the installation process, there are other factors that need to be taken into account. Before upgrading, you'll want to consider everything you'd get with macOS Tahoe and how it would impact your Mac in the long run.

Is macOS Tahoe worth running on unsupported Macs?

By installing macOS Tahoe on an unsupported Mac with a Metal-compatible GPU, you're effectively extending its lifespan well into the near future. Over time, an increasing number of third-party applications will likely require macOS Tahoe to run.

macOS Tahoe performs well on Macs with a Metal-capable GPU.

Updating to macOS Tahoe will also give you a better web browsing experience, given that you'll be using the latest version of Safari currently available. Outdated web browsers are a serious hindrance for older Mac computers, as pages will often fail to load properly or at all.

You'll also get to experience and take advantage of the many new apps and features found within macOS Tahoe, such as the Journal, Games, and Phone applications. It's impressive that the iPhone Calling feature still works on computers from 2009.

However, when it comes to non-Metal Macs on macOS Tahoe in general, the experience is less than ideal, to say the least. The Journal, Games, and Maps apps do not work on Macs without a Metal-compatible graphics card, so you won't get much beyond Safari 27 and the new Phone app.

With enough patience, you can use macOS Tahoe on a non-Metal Mac, though you'll probably want to keep it on a separate volume or partition. Older macOS releases, like macOS Monterey, are a much better option for computers with non-Metal graphics cards and dual-core CPUs.

If you have a Mac from 2012 and later, though, and you want to get the absolute most out of it, then OCLP is definitely worth considering. The features it enables with macOS Tahoe on Metal-compatible Macs make the OpenCore Legacy Patcher a worthwhile option.

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