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
On a black background - a white window of the windows logoOn a black background - a white window of the Windows logo
Graphic image of the windows label in blue on a gray backgroundGraphic image of the Windows label in blue on a gray background
Gloomy trees on the hill and the light coming through the trunksGloomy trees on the hill and the light coming through the trunks