Windows 7 is a custom operating system of the windows nt familyWindows 7 is a custom operating system of the Windows NT family
The logo of the windows operating system on a yellow and gray background with a blue stripeThe logo of the Windows operating system on a yellow and gray background with a blue stripe
Microsoft windows 8 operating system in a minimalist styleMicrosoft Windows 8 operating system in a minimalist style
Background for windows seven with the image of sevensBackground for Windows seven with the image of sevens
Windows operating system logo in the "matrix" style"Windows operating system logo in the "Matrix" style"