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Upgrade to Windows 11

These instructions are for upgrading a current machine to Windows 11. You will have the opportunity during the process to direct the installer to save your current data, programs and settings. As a precaution, you may also wish to back up your data before upgrading.

It is recommended that you check to see if your machine's hardware is compatible and eligible for an upgrade. Compatibility and upgrade known issues can be found in the Microsoft Windows 11 Upgrade Requirements.

Upgrade to Windows 11

  • Open the folder containing the install file (Downloads or other folder, on a DVD or flash drive) and double-click the file named windows11-enterprise-x64(or x32).
  • Double-click the file named setup.

  • The User Access Control (UAC) window may appear. Choose to allow program to makes changes to this computer.


  •  On Install Windows 11 screen, Uncheck I want to help make the installation better in lower left then click Next.

At the Applicable notices and license terms screen click Accept.

  • If the PC doesn't meet the Windows 11 minimum requirements, review the warning and click Accept to continue.


  • At the Choose what to keep screen, click Keep Windows Settings, personal files, and apps. Then click Next. The Windows 11 setup will check to make sure that your computer is ready to install.

  • At the Ready to install screen, you will see a summary of the options you've chosen. If this is correct, click the Install button.

  • Windows 11 installation will now proceed. Your computer may restart several times during the install.


The Windows 11 installation creates a new folder named named Windows.old which contains your programs and data files. This folder is located in the

Local Disk (C:) folder.

  1. Move your files from the Windows.old folder to an appropriate location on your hard drive.

  2. When you are confident that you no longer need any files located in the Window.old folder you may remove it by following the instructions in the article How do I remove the Windows.old folder?.
    Before you use Disk Cleanup, make sure that all of your files and settings are where you expect them to be. Deleting the Windows.old folder can’t be undone.

IS&T Contributions

Documentation and information provided by IS&T staff members

Last Modified:

September 30, 2021

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