This brand includes the following software:
- Windows NT 3.1 Advanced Server (1993)
- Windows NT 3.5x Server (1994)
- Windows NT x.0 Server (1996)
- Windows 2000 Server (2000)
- Windows Server 2003 (2003)
- Windows Server 2008 (2008)
- Windows HPC Server 2008 (2008)
- Windows Server 2008 R2 (2009)
- Windows Server 2012 (2012)
- Windows Server 2016 (2016)
Microsoft has also produced Windows Small Business Server and Windows Essential Business Server (discontinued), software bundles which includes a Windows Server operating system and some other Microsoft Servers products.
Other server operating systems
The following operating systems are not part of Windows Server family but are designed for operating on server computers.
- Windows Home Server, a home server operating system for file sharing and streaming, automated backups, and remote access
- Windows Home Server 2011 (2011)
- Windows MultiPoint Server, an operating system for computers having multiple simultaneous local users.