Description: Windows 2000 is an operating system developed by Microsoft in 2000 as the successor to Windows NT 4.0. It provided improved stability and brought advancements including Active Directory, Group Policy, disk quota support and other system management features.
Type: software
Description: Windows 7 is a personal computer operating system that was produced by Microsoft as part of the Windows NT family of operating systems. It was released to manufacturing in July 2009 and became generally available in October 2009. Windows 7 has improved desktop search, support for touchscreen displays, and home networking improvements over its predecessor, Windows Vista.
Type: software