How to Upgrade to macOS 26: Complete Step-by-Step Guide

macOS 26 Tahoe brings new features, security patches, and performance improvements — but upgrading carries risks if you skip preparation. This guide covers how to upgrade to macOS 26: check compatibility, free up storage, back up your data, and pick the installation method that fits you.

Part 1. What's New in macOS 26? Should You Upgrade to macOS 26 Tahoe?

For users asking what is macos tahoe, it is macOS 26 with a liquid glass design and a transparent UI experience. It was released on September 15, 2025, and introduces a number of improvements over the previous version of macOS.

Should You Upgrade to macOS 26 Tahoe?

In case you are not sure whether to upgrade or not, consider your needs and the device model you are using. If you have a compatible Mac and you want to test all the latest features and benefit from security updates, it's great to upgrade to macos tahoe. Once upgraded, you will have a new design, better control of applications, and privacy and security of your information.

Part 2. Preparations Before Upgrade to macOS 26

Before moving forward to how to upgrade to macos tahoe, let's highlight some preparations that have to be done before upgrading.

1. Check if Your Mac Is Compatible with macOS 26

First off, make sure that your Mac is compatible with the latest macOS 26 before upgrading. Only supported models can install and enjoy new features and updates. Check out the list below of devices and models that support the latest macOS version.

Not on the list? Your Mac can't install macOS 26 — it stays on its current macOS version and continues to receive security updates for the supported period.

2. Ensure Your Mac Has Enough Storage Space

Once you know your Mac supports the latest macOS 26, then you've to check and ensure your device has enough storage for the upgrade. Insufficient space in your Mac can lead to installation errors and slow performance after an upgrade. Follow these simple steps to verify your Mac has enough space:

1. First off, access the "System Settings" of your Mac and select the "General" section. Next, go to the "Storage" section to move forward.

   

2. Check your storage space and verify you have at least 25GB of free space to install the macOS 26 upgrade.

   

3. Back Up Your Mac

To ensure the safety of your files and easy recovery in case of any malfunction, you should back up your Mac before installing macOS 26. Before upgrading, a data backup is necessary to secure your precious files and facilitate the recovery of lost information. Follow these two guides to back up your data using Time Machine and iCloud.

Back Up via Time Machine

If you want to keep a backup of your files in a physical external drive, then using Time Machine is the best option. Let's look at how you can create a backup of your data using Time Machine:

1. First off, attach a formatted External Drive to your Mac. In the "System Settings" window, hit the "General" tab and scroll down to locate the "Time Machine" section.

   

2. Now, select your External Drive and press the "Set Up Disk" button to proceed further.

   

3. Next, enter a new "Password" for the backup and hit the "Done" button to initiate the backup.

   

Back Up via iCloud

Backing up your Mac with iCloud is simple and keeps important files like documents, photos, and contacts safe in the cloud. Here's how to start syncing your data with iCloud before an upgrade:

1. In the "System Settings" window, access your "Apple Account," click the "iCloud" section, and press the "See All" button to move forward.

   

2. Toggle the "Sync this Mac" option under the "iCloud Drive" section to back up your files to your iCloud.

   

Part 3. How to Upgrade to macOS 26 | 5 Ways to Try

Having discussed the preparations that have to be done before upgrading, let's move on to how to update macos 26. You'll see 5 ways to try for upgrading your Mac to the latest macOS version to enjoy a liquid glass design theme.

Way 1. Use Software Update in System Settings

macOS 26 is the latest version and can be upgraded with the software update feature, which is the simplest method for a Mac. Follow these simple steps to upgrade your Mac to macOS 26 Tahoe:

1. Start by accessing the "System Settings" and clicking the "General" section. Next, select the "Software Update" tab to proceed further.

   

2. Your Mac will start checking for updates and show the macOS 26 Tahoe update. Click the "Upgrade Now" button.

   

3. Enter your device password to start the download process.

   

4. Once the download is completed, the system will ask you to restart your Mac. Hit the "Restart" button to experience the new macOS 26 version.

   

Way 2. Use the Mac App Store

With the case of the macOS 26 Tahoe with the Mac App Store, it does not offer an installer download on-site anymore. Rather, users are recommended to update using the Software Update option under system settings. Other, more complex means may be needed, like creating bootable installers or offline installation, including the use of Terminal commands.

Way 3. Via Terminal (Command Line)

If you're comfortable with command-line tools, then follow these steps to upgrade to macos tahoe via Terminal for a direct and efficient approach:

1. Open the "Terminal" app in your Mac, then copy and paste the Terminal Command Line 1 softwareupdate --list-full-installers.

   

2. After a moment, all macOS versions available for your Mac will be listed. Next, enter the Terminal Command Line 2 with the macOS version you want to install softwareupdate --fetch-full-installer --full-installer-version 26.0.

   

3. Access the "Applications" folder and install the latest macOS version on your system.

   

Way 4. Clean Install via Bootable Installer (Advanced)

A clean install using a bootable installer erases old files, resolves persistent issues, and sets up macOS 26 as a fresh, ready-to-use system. This is the advanced option — back up your Mac first because it wipes the internal drive. Follow the steps below:

1. Attach the USB flash drive to your Mac and access "Disk Utility" from your system. Then, select your USB and press the "Erase" option to wipe all data.

   

2. Next, download the macOS 26 Tahoe installation file.

   

3. Now, go to the "Terminal" interface and paste the One Line Terminal Command sudo /Applications/Install\ macOS\ Tahoe.app/Contents/Resources/createinstallmedia --volume /Volumes/USBName --nointeraction. Make sure to change the USB name in the command. Then, type your password before pressing "Enter."

   

4. Once a bootable USB drive is created, restart your Mac and hold the appropriate startup key to load the installer from the USB drive.

   

Way 5. Automatic Updates

If you want your Mac always to run the newest version without any effort, using automatic updates is the easiest way. Here's how to upgrade to macos tahoe with this simple "set it and forget it" option:

1. Firstly, enter the "Software Update" section in the System Settings window. Now, press the "Automatic Updates" button to proceed further.

   

2. Next, toggle the first 3 options that will automatically download the latest macOS version when available.

   

3. Once the macOS version is downloaded, you'll receive a notification. Tap on the notification and press "Upgrade Now" to install the macOS 26 Tahoe.

   

More related: What to Do When macOS Installation Couldn't Be Completed.

Mac Keeps Crashing After Tahoe Update: How to Fix.

Pro Tip: Safeguard Your Data with Recoverit Before Upgrading

Now you know what is macos tahoe and how to upgrade your Mac to the latest macOS version. Before starting the upgrade, creating a backup of your Mac data is essential to prevent unexpected data loss scenarios. Even after creating backups via Time Machine and iCloud, there is still a chance of losing data due to accidental deletion, upgrade failures, or disk errors.

This is where users demand a data recovery tool, and Recoverit comes in with advanced recovery methods and solutions. Recoverit helps you recover 1000+ types of file formats from 1 million+ devices. It enables users to select a location, and this utility will search the disk of the selected location extensively. Furthermore, the scanning results can be saved by the users and exported to the desired directory.

Key Features

1. Advanced Scanning: Allows users to perform a quick and deep scan in selected drive locations and restore them to a chosen drive.
2. File Preview Mode: Users can see the scanned file in a preview window and save it to the Mac device.
3. Cloud Data Recovery: The data recovery platform searches for lost or deleted files from iCloud or OneDrive and recovers them to your device.
4. Multiple Search Filters: Narrows down the search process by including filters, like file type, status, file name, and more, to get quick search outputs.

Guide on How to Recover Lost Data on Mac

If you lost your critical data files while doing an upgrade to macOS Tahoe, follow the steps below to recover them with Recoverit:

1. Choose a File Location to Begin the Scanning Process. On the Recoverit main interface, click the "Hard Drives and Location" tab from the left side menu and choose a specific drive to proceed with the search.

   

2. Use File Filters During Deep Scanning. After the scan process begins, hit the "Filter" option on the top menu and change the "File Type" and "File Size" to speed up the recovery process.

   

3. Preview the Scanned Files Before Exporting. When the scanned files appear in the left "File Path" panel, view them on the "Preview" screen. Once you preview the scanned file, hit the "Recover" button to save it to your Mac.

   

Conclusion

Upgrading to macOS 26 Tahoe is straightforward once you check compatibility, free up at least 25GB, and back up with Time Machine or iCloud. Pick one of the five upgrade methods above — Software Update is the easiest for most users. If data goes missing during or after the upgrade, recover it with Wondershare Recoverit.