Modify the metro theme colors in Windows8

Is it a taste of Windows8rtm's leaked version? currently WIN8 Enterprise Edition, Windows Server 2012 have been leaked out, annoying, in the system is not activated, can not use personalized features such as: Avatar can not change, lock screen wallpaper, Metro Start screen background pattern and back color also change ...

And so on, even if the system is not activated, the Metro Start screen background color can also be changed, not on the 25 colors? By importing/Modifying the registry, log off and log back on to the system to make changes to the background color of metro Start screen. (Note: The registry file number corresponds to the bottom row of colors in the figure).

Modified example: No longer the default background color

System default Start screen background color:

The personalization feature cannot be used when not active:

(Note: The registry file number corresponds to the bottom row of colors in the figure).