• Diff for "OSUpgradeTahoe"
Last updated at 2025-12-09 10:32:21 by ouit0213
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https://www.apple.com/uk/os/macos/
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macOS 26 Tahoe is now available to install via System Settings/Software Update. This is our recommended method of upgrading. This new macOS update brings a design refresh with liquid glass, even deeper AI integration and a redesigned more powerful spotlight.

For detailed information on the new macOS visit - https://support.apple.com/en-gb/122868		 macOS 26 Tahoe is now available to install via System Settings/Software Update. This is our recommended method of upgrading. This new macOS update brings a design refresh with liquid glass, even deeper AI integration and a redesigned more powerful spotlight. For detailed information on the new macOS visit - https://support.apple.com/en-gb/122868
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 * A compatible macOS device *should the macOS Tahoe update not appear, please consider your device as not compatible. Note macOS Tahoe is compatible with the following devices - https://support.apple.com/en-us/122867
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==== Using Wi-Fi to upgrade ====  * This major macOS upgrade normally requires 20gb of free hard disk space but can require up to 50gb of storage space. For assistance on optimising the storage on your Mac prior to upgrading, please visit - https://support.apple.com/en-gb/102624


=== Using Wi-Fi to upgrade ===

If you are using Wi-Fi to upgrade, please use our guide to work out roughly how long the download to upgrade will take.

||'''Connection Speed (Mbps)'''||'''Approximate Download Time'''||
||<:50%>10||<:50%>3 hours||
||<:50%>20||<:50%>1.5 hours||
||<:50%>50||<:50%>40 minutes||
||<:50%>100||<:50%>20 minutes||
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This is the preferred method to running upgrade. If you encounter any administrative prompts on running the upgrade, refer to the Self Service method.

{{attachment:macOS26Tahoeupdate.png|Software Update Tahoe|width=400}}
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=== How to install macOS Sequoia via Self Service === === How to install macOS Tahoe via Self Service ===
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 0. Locate the Upgrade to Sequoia policy, if unable to locate, click on the featured/core software menu. Now click the upgrade button.  0. Locate the Upgrade to Tahoe policy, if unable to locate, click on the featured/core software menu. Now click the upgrade button.
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 0. Whilst the installer for macOS Sequoia downloads you can view the download progress; unless you click the OK button in which case this progress window will vanish, however, the download will continue in the background. Although you can keep using you Mac during the download phase, it is recommended to leave it alone to complete the entire process.  0. Whilst the installer for macOS Tahoe downloads you can view the download progress; unless you click the OK button in which case this progress window will vanish, however, the download will continue in the background. Although you can keep using you Mac during the download phase, it is recommended to leave it alone to complete the entire process.
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macOS 26 Tahoe

https://www.apple.com/uk/os/macos/

Is available to install now

macOS 26 Tahoe is now available to install via System Settings/Software Update. This is our recommended method of upgrading. This new macOS update brings a design refresh with liquid glass, even deeper AI integration and a redesigned more powerful spotlight. For detailed information on the new macOS visit - https://support.apple.com/en-gb/122868

Upgrade Prerequisites

  • A compatible macOS device *should the macOS Tahoe update not appear, please consider your device as not compatible. Note macOS Tahoe is compatible with the following devices - https://support.apple.com/en-us/122867

  • This major macOS upgrade normally requires 20gb of free hard disk space but can require up to 50gb of storage space. For assistance on optimising the storage on your Mac prior to upgrading, please visit - https://support.apple.com/en-gb/102624

Using Wi-Fi to upgrade

If you are using Wi-Fi to upgrade, please use our guide to work out roughly how long the download to upgrade will take.

Connection Speed (Mbps)

Approximate Download Time

10

3 hours

20

1.5 hours

50

40 minutes

100

20 minutes

Upgrade via System Settings/Software Update

This is the preferred method to running upgrade. If you encounter any administrative prompts on running the upgrade, refer to the Self Service method.

Software Update Tahoe

  1. Click System Settings in the Dock or via the Apple symbol in the menu bar.
  2. Navigate to General/Software Update.
  3. Click on the Upgrade Now.
  4. Follow any on-screen prompts, you will be asked for username and password.
  5. Please note, your Mac will reboot as part of this process.

How to install macOS Tahoe via Self Service

This update method requires no administrative rights.

  1. Save and close any documents currently open.

  2. Launch the Self Service app Self Service Application in your dock.

  3. Locate the Upgrade to Tahoe policy, if unable to locate, click on the featured/core software menu. Now click the upgrade button.
  4. Follow any further on-screen prompts, you will be asked to enter your login password.
  5. Whilst the installer for macOS Tahoe downloads you can view the download progress; unless you click the OK button in which case this progress window will vanish, however, the download will continue in the background. Although you can keep using you Mac during the download phase, it is recommended to leave it alone to complete the entire process.
  6. Please be aware that the upgrade will reboot your Mac.
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