Customize accepted Windows 7 regional themes and wallpapers

Customize accepted Windows 7 regional themes.md

Regional themes/wallpapers are differs between Windows 7 installation image by languages. However, it's possible to customize the set of accepted regional themes/wallpapers.

How to customize accepted Windows 7 regional themes/wallpapers

1. Get 7-Zip to grab your preferred MCT-[ISO country code] folder from the install.wim in a Windows 7 ISO in a language and extract the folder to %windir%\Globalization\MCT in your current Windows 7 installation.

   • e.g. install.wim\[number]\Windows\Globalization\MCT\MCT-JP from a Japanese language Windows 7 ISO).
   • The image can contains more than one MCT folder (the Japanese image for example came with only one MCT, which is MCT-JP). Click Continue if you get the following dialog:

2. Close the Personalization Control Panel window, if you have it opens.

3. Open Registry Editor (regedit.exe).

4. Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\MCT.

5. Select the MCT key and choose New → Key.

   

6. Name the new key the same as your preferred MCT folder (e.g. if you have placed the MCT-JP folder, name this key MCT-JP)

   

7. In the key you have created at step 6, right-click, hover over New, and create the following values:

   Name of value	Type of value	What does the value do
   Link	Multi-String Value	Default regional bookmarks to be added to Internet Explorer (optional). These bookmarks are stored in %windir%\Globalization\MCT\MCT-[ISO country code]\Link.
   GeoID	DWORD (32-bit Value)	Windows region to display the MCT. For a list of region IDs, please visit: https://learn.microsoft.com/en-us/windows/win32/intl/table-of-geographical-locations
   Theme	Multi-String Value	The name of the theme file located in %windir%\Globalization\MCT\MCT-[ISO country code]\Theme Example: JP.theme
   Wallpaper	Multi-String Value	The name of the image files located in %windir%\Globalization\MCT\MCT-[ISO country code]\Wallpaper in a list (e.g. JP-wp1.jpg to JP-wp6.jpg). List separated by pressing Enter.

8. Once you're done step 7, open the Region and Language Control Panel (intl.cpl), go to the Location tab, select the region you have registered the MCT for, and click Apply.

   • e.g. if you have registered the MCT-JP, select Japan as the location.

9. Open the Personalization Control Panel and see if the new regional theme appears in the "Aero Themes" section.

10. Select the newly added regional theme, click Desktop Background and click Cancel afterwards. If the theme selection stays at the newly created regional theme (not an Unsaved Theme in the "My Themes" section), you have done it correctly.

Pre-made files: https://drive.google.com/file/d/1zKfY-Wrw27DEib-DFaNGxZBn6EV7L0o9/view?usp=sharing