microsoft website

A Service Pack (more commonly known as "SP") is a software program that corrects known bugs, problems, or adds new features (and/or both). Companies that produce large applications such as Microsoft and their Windows NT-based operating systems ... typically release a service pack when the number of individual patches to the application becomes too large. Service Packs are easier to install than groups of patches, especially with multiple computers that need to be updated over a network. Windows NT 4.0 currently has 6 Service Packs. Windows 2000 currently has 4 Service Packs. Windows XP ... (view more)