ReactOS 0.4.15 Release 1
Author:
ReactOS Foundation
Date: 03/23/2025 Size: Size Varies License: Open Source Requires: 11|10|8|7 Downloads: 43096 times ![]() Restore Missing Windows Files |
![]() Download (Linux)
|
MajorGeeks: Setting the standard for editor-tested, trusted, and secure downloads since 2001. |

Get free antivirus with AI-powered online scam detection Download Free!
ReactOS is an advanced, free, and open-source operating system providing a ground-up implementation of Windows NT compatible operating system.
It aims to achieve complete binary compatibility with applications and device drivers meant for NT and XP operating systems by using a similar architecture and providing a complete and equivalent public interface.
ReactOS is a great example of an almost complete working model of a Windows-like operating system available at this time. Consequently, working programmers will learn a great deal by studying the source code and participating in development.
In short, ReactOS aims to run your applications and use your hardware, a free operating system for everyone.
Similar:
The 12 Best Linux Distributions for Windows Users
It aims to achieve complete binary compatibility with applications and device drivers meant for NT and XP operating systems by using a similar architecture and providing a complete and equivalent public interface.
ReactOS is a great example of an almost complete working model of a Windows-like operating system available at this time. Consequently, working programmers will learn a great deal by studying the source code and participating in development.
In short, ReactOS aims to run your applications and use your hardware, a free operating system for everyone.
Similar:
Editor's Note:
The file size will depend on which zip you elect to download. (ranges from approx 82-114 MB)

Top Downloads In Windows 11, 10, 8 & 7




