So you just bought a laptop with Windows Vista (or Windows 7) installed, and you hate Vista, one of your programs doesn't work, or you just miss Windows XP.
Windows XP is preceded by both Windows 2000 and Windows Me. The most recent version of Windows is Windows 10 which was released on July 29, 2015.
The release of Service Pack 2 full version (SP2) in August 2004 provided a number of critical security patches and updates – as well as new functionality, setting itself apart from 2002's Service Pack 1 (SP1) update.
All basic updates included in SP1 were rolled into SP2's release, giving comprehensive protection against a range of viruses and other security threats.
Microsoft Windows XP was an extremely successful version of Windows.
The Windows XP operating system, with its greatly improved interface and capabilities, helped fuel phenomenal growth in the PC industry during the early 2000's.