They are compatible with Microsoft’s built-in theme feature.

Some themes, such as from the Microsoft store, don’t require this. When downloading third-party themes, you’ll want to make sure your computer will accept them. However, if you follow some guidelines as well as the instructions provided by the theme creators, it shouldn’t be too difficult to set up your new Windows desktop look. This is because Microsoft limits the ease of complete customization, besides wallpaper changes.

Some of these themes may take more work to get fully up and running.