Windows 7 Regional Themes [NEW]

To make hidden themes appear, users can check the MCT entries in the registry under HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\MCT . Restoring Regional Themes on Modern Windows (2026)

This code snippet uses the SystemParametersInfoW function to change the desktop background to a specified image. windows 7 regional themes

Here is an example of how to change the desktop background using C#: To make hidden themes appear, users can check