Open BOOTSKIN File
A BOOTSKIN extension file is a raster image used for the Windows boot screen.
This BOOTSKIN image is displayed when the computer starts up, and can be viewed and modified using Stardock's BootSkin program.
More about BootSkin
BootSkin is software for Microsoft Windows 2000, Windows XP, and Windows Vista that allows users to change the screen that is displayed while the operating system boots.
It is made by Stardock and distributed for free under the WinCustomize brand.
BOOTSKIN extension files are proprietary and cannot be opened or edited with other software, therefore its use is not recommended, as is attempting to open it manually.
Software for opening and working with BOOTSKIN files