ReactOS Icon



An operating system based on the best Windows NT design principles

4.6 Stars (140)
15,698 Downloads (This Week)
Last Update:
Browse All Files



ReactOS is an open source effort to develop a quality operating system that is compatible with applications and drivers written for the Microsoft Windows NT family of operating systems (NT4, 2000, XP, 2003).

ReactOS Web Site


Other Useful Business Software

Defend Your Infrastructure Against Crypto-Ransomware Icon

Did you know that every 40 seconds, a company is hit by ransomware?

Defend Your Infrastructure Against Crypto-Ransomware Icon
Though it seems like ransomware is old news in 2017, stats show that we still have no idea how to defend ourselves against it: 70% of companies targeted by ransomware get infected. Learn the various ways ransomware can be delivered to computers, the steps it takes to encrypt your files, and best practices you should apply immediately to minimize the damage.
Defend Your Infrastructure Against Crypto-Ransomware
Are you an IT pro at a company with 150+ employees?

User Ratings

ease 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
features 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
design 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
support 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5 4 / 5
Write a Review

User Reviews

  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    The first thing I got was a "can't load boot driver 'system32\drivers\cdfs/sus' error

    Posted 10/24/2016
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    DL-ed and burned ISO image of 0.4.1RC2 to an USB memory stick. Booted up on a Dell Optiplex desktop , with Intel 82Q963/Q965 graphics adapter. Couple of "loading xxx.dll" messages showed up, and screen stayed black ..... This is not ready yet!

    Posted 05/13/2016
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    Although it's been an interesting project and I've long awaited the 0.4 version that made so many promises... it simply I've tried some very simple things, like: Try1: downloading and running Firefox 39 (from their package manager) -- Doesn't draw the window controls on the browser (minimize/maximize/close) It maybe works once, then crashes the browser first THEN locks up ROS on exiting the Mozilla crash reporter. Reboot, launch firefox, try to surf, lockup. reboot, ROS no longer starts. Reinstall ROS, try2: Get Firefox 28 this time from their package manager. Window frame looks better (standard). Go to a website or 2: only default times fonts everywhere. Downloaded something: ROS locks up. Won't boot again. Reinstall ROS, try3: grab a simple Neobook presentation. Try to run it: ROS locks up. Reinstall ROS, try4: OpenOffice 4.1 from their package manager (it's got to be OK for SOMEthing, right?) Won't install because "msiexec.exe" wants "msvcr90.dll". Did anyone even test these packages before including them?... try5: Inkscape (a gtk/ported application): takes forever to install. Try to launch it: process pins the CPU at 100% and nothing happens. Didn't work either. Conclusion: in its current state it is absolute garbage. I don't see how people can give this a high rating because it's obviously not at all working. "alpha state" is very optimistic.

    Posted 02/17/2016
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    ReactOS is totally broken garbage that doesn't work. I tried using the official ReactOS VMWare virtual machines. ReactOS crashed when I tried to put a shortcut to Firefox on my desktop. I rebooted. Then I tried to update Firefox. ReactOS crashed again. ReactOS is a cool idea, but terrible in practice. Don't waste your time with this garbage.

    Posted 04/04/2015
  • 1 of 5 2 of 5 3 of 5 4 of 5 5 of 5

    У этого проекта нет будущего. Уж лучше kolibri развивать

    Posted 03/03/2015
Read more reviews

Additional Project Details

Intended Audience

Advanced End Users, Developers

User Interface

Win32 (MS Windows), Project is a user interface (UI) system, Project is a window manager

Programming Language

Assembly, C




Thanks for helping keep SourceForge clean.

Screenshot instructions:
Red Hat Linux   Ubuntu

Click URL instructions:
Right-click on ad, choose "Copy Link", then paste here →
(This may not be possible with some types of ads)

More information about our ad policies

Briefly describe the problem (required):

Upload screenshot of ad (required):
Select a file, or drag & drop file here.

Please provide the ad click URL, if possible:

Get latest updates about Open Source Projects, Conferences and News.

No, Thank you