Windows 8 Developer preview provides the very first recognized look at Windows 8 to the public. The early develop was created to provide an advanced glance at the brand new Metro UI and due to that, neglected a few basic functions such as the capability to alter the background. While we fully expect these functions is going to be obtainable in the actual RTM, a number of eager users have determined how you can change the background in the developer preview.Here is the tutorial to change the background of Metro Start Screen.
Tutorial: How to get started with customizing the Metro Start Screen | Panda X
Navigate to C:\Windows\System32\
In the Ribbon click File > Open Command Prompt > Open Command Promt as Administrator
Type the following in CMD;
takeown /f uxtheme.dll
icacls uxtheme.dll /grant Administrators:F
Copy uxtheme.dll to the deskop.
Open your hex editor and open uxtheme.dll
Go to the hex location as shown in ‘Metro Customization – Hex Table.txt’ by hitting Ctrl+G (Might be different in your program)
Make sure your hex editor is set to OVERWRITE and NOT insert.
Replace the colors as shown in ‘Metro Customization – Hex Table.txt’ with your own. The format is Red, Green, Blue, Alpha (RGBA). For a solid/opaque image leave the last byte as FF (example: FF0000FF would be solid red)
In system32 rename uxtheme.dll to uxtheme.dll.old
Place copy the uxtheme.dll from your desktop to system32.
The tutorial contains the text above, images and the all important HEX for both x64 and x86 table. It should be noted that changing the background is not a straight forward process and users should proceed with caution.