Windows 7 is a custom operating system of the windows nt familyWindows 7 is a custom operating system of the Windows NT family
The system of tables in the interface on a black backgroundThe system of tables in the interface on a black background
The operating system is distinguished by its complexityThe operating system is distinguished by its complexity
Windows operating system logo in the "matrix" style"Windows operating system logo in the "Matrix" style"
The location of the planets of the solar system in spaceThe location of the planets of the solar system in space