What is the purpose of Windows 8?

Windows 8 is a personal computer operating system that is part of the Windows NT family.

Windows 8 introduced significant changes to the Windows operating system and its user interface (UI), targeting both desktop computers and tablets.

Is Windows 7 or 8 better?

The result is a faster system which consumes fewer resources than Windows 7, making it a good choice for low-end PCs. The new OS redesign uses simple colors and fewer visual effects, drawing fewer resources than Windows 7’s Aero Glass effect. Windows 8.1 performs better than 7 in everyday use and benchmarks.