Executive – used on the 1900 and 290x range of minicomputers. A modified version of Executive was also used as part of GEORGE 3 and 4. TME – used on the ME29 minicomputer ICL VME – including early variants VME/B and VME/2900, appearing on the ICL 2900 Series and Series 39 mainframes, implemented in S3 VME/K – on early smaller 2900s Jide Remix OS Jolla Sailfish OS KaiOS KaiOS Lynx Real-time Systems, LynuxWorks, Lynx Software Technologies LynxOS Meizu Flyme OS Microsoft Corporation Xenix (licensed version of Unix; licensed to SCO in 1987) MS-DOS (developed jointly with IBM, versions 1.0–6.22) Z-DOS MS-Net MS-DOS 4.0 (multitasking) MS-DOS 7 MSX-DOS (developed by MS Japan for the MSX 8-bit computer) DOS/V OS/2 1.x (developed jointly with IBM until version 1.3) LAN Manager Windows (16-bit and 32-bit preemptive and cooperative multitasking, running atop MS-DOS) Windows 1.0 (Windows 1) Windows 2.0 (Windows 2 – separate version for i386 processor) Windows 3.0 (Windows 3) Windows 3.1x (Windows 3.1) Windows for Workgroups 3.1 (Codename Snowball) Windows 3.2 (Chinese-only release) Windows for Workgroups 3.11 Windows 95 (codename Chicago – Windows 4.0) Windows 98 (codename Memphis – Windows 4.1) Windows Millennium Edition (Windows ME – Windows 4.9) Windows NT (Full 32-bit or 64-bit kernel, not dependent on MS-DOS) Windows NT 3.1 Windows NT 3.5 Windows NT 3.51 Windows NT 4.0 Windows 2000 (Windows NT 5.0) Windows XP (Windows NT 5.1) Windows Server 2003 (Windows NT 5.2) Windows Fundamentals for Legacy PCs (based on Windows XP) Windows Vista (Windows NT 6.0) Windows Azure (Cloud OS Platform) 2009 Windows Home Server (based on Windows Server 2003) Windows Server 2008 (based on Windows Vista) Windows 7 (Windows NT 6.1) Windows Server 2008 R2 (based on Windows 7) Windows Home Server 2011 (based on Windows Server 2008 R2) Windows 8 (Windows NT 6.2) Windows RT Windows Phone 8 Windows Server 2012 (based on Windows 8) Windows 8.1 (Windows NT 6.3) Windows Phone 8.1 Windows Server 2012 R2 (based on Windows 8.1) Windows 10 (Windows NT 10.0) Windows 10 Mobile Windows Server 2016 Windows Server 2019 Windows 11 (Windows NT 10.0) Windows Server 2022 Windows CE (OS for handhelds, embedded devices, and real-time applications that is similar to other versions of Windows) Windows CE 3.0 Windows CE 5.0 Windows Embedded CE 6.0 Windows Embedded Compact 7 Windows Embedded Compact 2013 Windows Mobile (based on Windows CE, but for a smaller form factor) Windows Phone 7