Method 1: Using the Local Group Policy Editor
The Local Group Policy Editor contains all kinds of policies that can enable and disable specific settings on the operating system. It can be used to customize settings for a computer or a specific user on the computer. There is a specific policy setting for preventing users from changing the theme of their operating system. It is listed under the User Configuration category of the Group Policy Editor. The Local Group Policy Editor isn’t available for every Windows 10 edition. If you are using the Windows 10 Home edition, then skip this method and try using the Registry method in this article.
Method 2: Using the Registry Editor
Another way to prevent users from changing themes on the computer is by using the Registry Editor. Whenever we configure a setting in the Group Policy Editor, it will automatically update the Registry for that specific setting. If you used the Group Policy Editor and configured the setting, then you don’t need to use this method because it will be already configured. However, if you are using this method directly, then you need to configure it from the start. There will some technical steps for creating the missing key and value for this specific setting. Follow the below steps carefully to prevent users from changing the theme: Note: We have included a registry backup step for safety. However, you can skip it if you don’t want to create a backup.
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