Windows 1.0
Windows 2.0
Windows 3.0
Windows 3.1
Windows for Workgroups 3.1
Windows NT 3.1
Windows for Workgroups 3.11
Windows NT 3.5
Windows NT 3.51
Windows 95 (pa onda SP1, OSR 2, OSR 2.1 i OSR 2.5)
Windows NT 4.0
Windows 98
Windows 98 Second Edition
Windows Me (Millenium edition)
Windows 2000 (Professional, Server, Advanced Server i Datacenter)
Windows XP (Starter, Home, Home N (nema wmp), Professional, Professional N, Professional x64, Tablet PC, Media Center (bez godine, 2003, 2004, 2005), 64-bit)
Windows XP Embedded (za ne-PC uredjaje)
Pri tome vecina XP-ova ima SP1, 2 i 3beta
Windows 2003 (Web, Standard, Enterprice, Datacenter, Storage server, Small Business Server)
Windows 2003 ima SP1 i SP2, zajedno sa SP2 se zove 2003 R2
Windows Vista (Starter, Home Basic, Home premium, Business, Enterprice, Ultimate)
U toku je beta verzija Windows 2008 Server-a koji ce biti uskoro objavljen (trebalo bi u februaru) i imace verzije: Web, Standard, Enterprice, Datacenter, Storage, Small Business Server, Windows Essential Business Server i verzija za sisteme bazirane na Itanium procesoru
Takodje postoje i Windows-i bazirani na WindowsCE-u za male embedded uredjaje a koji postoji u verzijama 1.0, 2.0, 2.1, 2.11, 2.12, 3.0
Tu su i Windows Mobile: PocketPC 2000, 2002, Windows Mobile 2003, 2003 SE, 5.0, 6