full screendownload
The black theme of the Windows operating system
Windows background in blue style
Microsoft windows 8 logo on a gray background
Windows 7 logo on a dark background
The operating system. Windows logo
Windows 7 on the desktop. The ultimate version
The logo of the eighth Windows on the background of vertical blue stripes
Stylish metal window looks tough
Windows operating system logo on a blue background
Metal windows xp logo on gray
Windows 7 Screen Saver concept
New windows 7. photo from the past