Windows 11: Mandatory Update from Operating System Version 23H2 for University-Owned Computers Before 12/01/26

Windows upgrade update SoftwareUpdate windows11 26h2 25h2 24h2 23h2

Overview

University-Owned computers with Version 23H2 are required to update before December 1, 2026. Please use the instructions below to install this important version upgrade.

Details / Instructions

1. Use the Windows Search Toolbar to find and open "winver".

2. Identify the Windows 11 Version in the Windows Version application. If you see "Version 23H2" (as circled in the screenshot below) in this window you must complete the following steps by the end of 2026 or your system may be quarantined and unable to access the University network.

Important: try using Windows Update first, if no updates are available use the Manual Update instructions, both sets of instructions are included below.

How to use Windows UpdateShow

3. Use the Windows Search Toolbar, type in "Windows Update".

4. Select "Check for Updates".

5. Select "Advanced options".

6. Toggle "Receive updates for other Microsoft products" to "On" if it is Off.

7. Select the back button at the top left to return to the Windows Update screen.

8. Click the dropdown arrow next to "Check for Updates" and select "Check online for updates from Microsoft Update". Windows will download and install all updates that are required.

9. Restart the computer when prompted.

10. Use Lenovo System Update (link opens in new window) to download and install all available hardware drivers for your system. If you use a docking station make sure the docking station is connected to your computer.

How to Manually UpdateShow

3. Visit the Windows Update Assistant website (link opens in new window).

4. Click "Download Now"

5. Select "Windows11InstallationAssistant.exe" once the download finishes.

6. If the installation assistant prompts you to Use the PC Health Check App, select "Get PC Health Check app".

7. Select "WindowsPCHealthCheckSetup.msi" once the download finishes.

8. In the Windows PC Health Check Setup application window, select "I accept the terms in the License Agreement" and select "Install".

9. On the final screen, select "Open Windows PC Health Check" and select "Finish".

10. Select "Check now" in the PC Health Check window.

11. Select "Windows11InstallationAssistant.exe" from your Downloads folder.

12. Select "Accept and install" in the Windows 11 Installation Assistant application.

13. Select "Proceed with Installation" in the license agreement window.

14. Select "Restart now" when prompted.

15. Use Lenovo System Update (link opens in new window) to download and install all available hardware drivers for your system. If you use a docking station make sure the docking station is connected to your computer.

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Windows 11: Mandatory Update from Operating System Version 23H2 for University-Owned Computers Before 12/01/26

Overview

Details / Instructions

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