There are many alternatives to Windows 10 for Windows and since it's discontinued a lot of people are looking for a replacement. 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 Windows 10 and 15 are available for Windows so hopefully you can find a suitable replacement. Other interesting Windows alternatives to Windows 10 are ReactOS, Kali Linux, 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.
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).
Kali Linux is a Debian-derived Linux distribution designed for digital forensics and penetration testing, originally forked from Backtrack Linux by the Offensive Security team.
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.
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.
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.
Titan Linux is an all new distro built on the Debian Stable branch. It's a fully functional yet minimal KDE Plasma desktop experience.
Storm OS is a Linux distribution based on Arch, and LFS (Linux from Scratch)! developed by Ben Fitzpatrick with the contributions by silent robot, seeker, rayzer1981, yugiohmaster88, and more. FEATURES = XFCE and KDE desktops (Arch edition only!
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.
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I love Debian cuz its rock-solid