Operating system for smartphones, tablets, e-booksOperating system for smartphones, tablets, e-books
Windows operating system logo on a blue backgroundWindows operating system logo on a blue background
Windows operating system seven on a black backgroundWindows operating system seven on a black background
Drawing of military operations in the air with the participation of c. 200Drawing of military operations in the air with the participation of C. 200
Windows 7 is a custom operating system of the windows nt familyWindows 7 is a custom operating system of the Windows NT family