How to Prevent Users From Changing Your Theme in Windows 10 - Group Policy Editor The Registry Editor method requires two steps, but it prevents all users from changing the theme. The Group Policy Editor if available, only works for the current user, so you'd have to make the same change for any users you have. We can do this with the Registry Editor or Group Policy Editor. If you have a shared computer, including universities and businesses, you might want to prevent users from changing your theme in Windows 10.
