Operating Systems for Windows

All apps in Operating Systems for Windows category. Use the filters below to narrow down your search. 
Copy a direct link to this comment to your clipboard
  1. Debian icon
     1157 likes

    The Debian Project is an association of individuals who have made common cause to create a free operating system. This operating system that we have created is called Debian.

    Cost / License

    • Free
    • Open Source

    Platforms

    • Windows
    • Linux
    • BSD
    • Self-Hosted
    Debian 9 gnome.
    Debian screenshot 1
    Debian screenshot 2
    +2
    Debian screenshot 3
    198 alternatives
    4.3
    Very Good34 reviews
  2. Windows 10 icon
     413 likes

    A versatile OS with universal app architecture, free initial year offer, redesigned UI for mouse and touch, virtual desktop, and improved security.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    Windows 10 screenshot 1
    Windows 10 screenshot 1
    Windows 10 screenshot 2
    +1
    Windows 10 screenshot 3
    177 alternatives
    2.4
    Poor56 reviews
  3. ReactOS icon
     291 likes

    ReactOS™ is a FOSS effort to develop a quality operating system based on the architecture of Microsoft® Windows™ NT family of operating systems, that is compatible with applications and drivers written for it (NT4, 2000, XP, 2003, Vista, 7).

    Cost / License

    Application type

    Platforms

    • Windows
    • ReactOS
    ReactOS screenshot 1
    ReactOS screenshot 1
    ReactOS screenshot 2
    +23
    ReactOS screenshot 3
    195 alternatives
    3.8
    Good8 reviews
  4. Windows 11 icon
     43 likes

    The latest Windows update with a redesigned Start menu, Widgets integration, Xbox gaming features, and tighter security requirements, built with modern hardware in mind.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    Windows 11 screenshot 1
    Windows 11 screenshot 1
    Windows 11 screenshot 2
    +2
    Windows 11 screenshot 3
    167 alternatives
    2.1
    Poor33 reviews
  5. AtlasOS icon
     20 likes

    An open and transparent modification of the Windows operating system, designed to optimize performance and latency. AtlasOS is creating a "kinder" Windows experience. Reducing bloatware and optimizing performance for enthusiasts, gamers, and privacy-conscious individuals.

    Cost / License

    Application type

    Platforms

    • Windows
    AtlasOS screenshot 1
    14 alternatives
  6. OpenThos icon
     19 likes

    OpenThos is a free, open source OS project based on Android-x86, the operating system has Desktop GUI. The source code is available on GitHub. You can choose English Language when attempting to install the OS.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Windows
    • Linux
    OpenThos screenshot 1
    OpenThos screenshot 1
    OpenThos screenshot 2
    8 alternatives
  7. Windows X-Lite's Optimized Windows Builds are designed to Enhance Performance, Privacy, Stability and Control, and work with all Apps and Games on all PCs. Old or New, Weak or Strong, Desktop or Laptop.

    Cost / License

    • Free
    • Proprietary

    Application type

    Platforms

    • Windows
    Windows X-Lite screenshot 1
    Windows X-Lite screenshot 1
    Windows X-Lite screenshot 2
    9 alternatives
  8. MINIX 3 icon
     10 likes

    MINIX is a POSIX-compliant Unix-like operating system based on a tiny microkernel running in kernel mode with the rest of the operating system running as a number of isolated, protected, processes in user mode.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    MINIX 3 screenshot 1
    150 alternatives
  9. PikaOS icon
     4 likes

    PikaOS is a gaming focused Linux distribution focussing on ease of use and high compatability. Using the know how from Nobara combined with a Ubuntu base.

    Cost / License

    • Free
    • Open Source (MIT)

    Platforms

    • Windows
    • Linux
    PikaOS screenshot 1
    18 alternatives
  10. illumos icon
     19 likes

    illumos is a free and open-source Unix operating system. It derives from OpenSolaris, which in turn derives from SVR4 UNIX and Berkeley Software Distribution (BSD). illumos comprises a kernel, device drivers, system libraries, and utility software for system administration.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    169 alternatives
  11. Windows Preinstallation Environment (Windows PE, WinPE) is a lightweight version of Windows used for the deployment of PCs, workstations, and servers, or install, deploy, and repair Windows while it is offline.

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
    Windows Preinstallation Environment screenshot 1
    Windows Preinstallation Environment screenshot 1
    10 alternatives
  12. BartPE icon
     23 likes

    Barts PE Builder helps you build a BartPE (Bart Preinstalled Environment) bootable Windows CD-Rom or DVD from the original Windows XP or Windows Server 2003 installation/setup CD, very suitable for PC maintenance tasks.

    Cost / License

    • Free
    • Proprietary

    Alerts

    • Discontinued

    Platforms

    • Windows
    pe builder setup screen
    BartPE screenshot 1
    34 alternatives
  13. Xinuos OpenServer™ 10 is a 64-bit operating system based on the popular FreeBSD and designed to support business applications within an enterprise environment.

    Cost / License

    • Free
    • Open Source

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    157 alternatives
  14. OpenSolaris icon
     17 likes

    OpenSolaris was an open source operating system based on Sun Microsystems Solaris. It was also the name of the project initiated by Sun to build a developer and user community around it.

    Cost / License

    • Free
    • Open Source

    Application type

    Alerts

    • Discontinued

    Platforms

    • Mac
    • Windows
    • Linux
    OpenSolaris screenshot 1
    OpenSolaris screenshot 1
    OpenSolaris screenshot 2
    43 alternatives
  15. Windows Server 2012, codenamed "Windows Server 8", is the sixth release of Windows Server. It is the server version of Windows 8 and succeeds Windows Server 2008 R2. Two pre-release versions, a developer preview and a beta version, were released during development.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    start screen
    Hyper-V technology
    18 alternatives
  16. ZealOS icon
     2 likes

    The Zeal Operating System is a modernized, professional fork of the 64-bit Temple Operating System. Guiding principles of development include transparency, full user control, and adherence to public-domain/open-source implementations.

    Cost / License

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    ZealOS screenshot 1
    ZealOS screenshot 1
    ZealOS screenshot 2
    51 alternatives
  17.  6 likes

    WindowWatcher is a free hybrid window magnifier and remote control spy. It gives Windows the ability to have proper and resizable picture-in-picture support above and beyond Aero Snap. It's great for watching stuff like online TV, streams or Youtube playlists in a small...

    Cost / License

    • Free
    • Proprietary

    Platforms

    • Windows
    WindowWatcher screenshot 1
    WindowWatcher screenshot 1
    WindowWatcher screenshot 2
    20 alternatives
  18. Based in Ottawa, Ontario, Canada, BlackBerry QNX has provided foundational software for many of the world’s mission-critical embedded systems since 1982. From nuclear power plants, surgical robots and class III life-critical medical devices to autonomous vehicles and brands like...

    Cost / License

    • Freemium
    • Proprietary

    Application type

    Platforms

    • Mac
    • Windows
    • Linux
    • BSD
    • Self-Hosted
    121 alternatives
  19. With LTSC, customers can delay receiving feature updates and instead only receive monthly quality updates. Features from Windows 10, like Cortana, Edge, and all in-box Universal Windows apps, are also not included.

    Cost / License

    • Paid
    • Proprietary

    Application type

    Platforms

    • Windows
    Windows 10 Enterprise LTSC screenshot 1
    Windows 10 Enterprise LTSC screenshot 1
    8 alternatives