To block the upgrade by using Computer Configuration, follow these steps:
- Click Computer Configuration.
- Click Policies.
- Click Administrative Templates.
- Click Windows Components.
- Click Windows Update.
- Double-click Turn off the upgrade to the latest version of Windows through Windows Update.
- Click Enable.
Policy path: Computer Configuration / Administrative Templates / Windows Components / Windows Update Policy
Setting: Turn off the upgrade to the latest version of Windows through Windows Update
If you don't see the option, you'll need to install one of the following updates: