Ubuntu is not available for Windows but there are plenty of alternatives that runs on Windows with similar functionality. The best Windows alternative is Debian, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to Ubuntu and 14 are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Ubuntu are Windows 10, ReactOS, Windows 11 and Revision (ReviOS).
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.
Versatile OS with universal app architecture, free first-year offer for Windows 7 and 8.1 users, redesigned mouse-touch UI, virtual desktop, Microsoft Edge, upgraded security, and enhanced graphics for gaming, supporting fingerprint and face recognition login.
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).
Experience the latest Windows OS with a new Start menu, integrated Teams, and gaming technologies like Auto HDR. Improved security with stricter requirements enhances protection, and seamless Microsoft Account integration makes it ideal for modern devices.
ReviOS aspires to re-create what Windows as an operating system should have been - easy and simple.
Debian and Ubuntu-based Linux for ARM single board computers, featuring compact, optimized images, advanced build tools, SSH-ready Ethernet, NAND/SATA/eMMC/USB installs, and comprehensive login system monitoring, with upgrades via apt and robust community support.
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.
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.
The first Linux® distribution optimized for WSL. Based on Debian®. From open-source software startup Whitewater Foundry. Formerly known as WLinux.
Xinuos OpenServer™ 10 is a 64-bit operating system based on the popular FreeBSD and designed to support business applications within an enterprise environment.
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Ubuntu and it's derivatives (Mint, Kubuntu, KDE Neon, ElementaryOS, Xubuntu, Lubuntu) are all based on Debian. All are compatible with .deb software packages. All are easier than Ubuntu to setup. But Debian has a greater loyalty to the ideals of free and open source software.