ReactOS

The ReactOS is a Windows compatible OS (i.e. runs Windows programs and drivers), but is a Open Source project (i.e. free). It is still under development, but much of it is usable today, although not recommended for everyday use.

Daily builds are currently done and released
24-Feb-2014 ReactOS 0.3.16 Released
30-May-2013 ReactOS 0.3.15 Released
8-Feb-2012 ReactOS 0.3.14 Released
22-Mar-2011 ReactOS 0.3.13 Released
20-Oct-2010 ReactOS 0.312 Released
16-Dec-2009 ReactOS .0.3.11 Released
5-Aug-2009 ReactOS .0.3.10 Released
6-Aug-2008 ReactOS 0.3.5 Released
30-Jun-2008 ReactOS 0.3.5 Released
22-Jan-2008 ReactOS 0.3.4 Released
12-Sep-2007 ReactOS 0.3.3 Released
27-Aug- 2006 Release 0.3 available

ReactOS

Pentium or better, 32-bit mode only

32 MB, 72 MB for debug builds

under 512 MB

IDE

VGA or better

FAT, FAT32

Windows XP programs and drivers

GUI

Install on a primary partition, first drive

No

10-Apr-2005 v0.2.6
22-Aug-2005 v0.2.7
30-Oct-2005 v0.2.8
27-Aug-2006 v0.3
11-Mar-2007 v0.3.1
12-Sep-2007 v0.3.3
22-Jan-2008 v0.3.4
30-Jun-2008 v0.3.5
6-Aug-2008 v0.3.6
4-Nov-2008 v0.3.7
4-Feb-2009 v0.3.8
26-Apr-2009 v0.3.9
5-Aug-2009 v0.3.10
16-Dec-2009 v0.3.11
20-Oct-2010 v0.3.12
22-Mar-2011 v0.3.13
12-Feb-2012 v0.3.14
30-May-2013 v0.3.15
24-Feb-2014 v0.3.16
15-Feb-2016 Build 70751
(ReactOS now does a daily build)

Download page

ReactOS Home
About
Development
Forum
Versions

Books on Operating Systems

ReactOS Foundation
South Carolina

Web site: www.ReactOS.org
Support Web

Windows, Linux

No

Free download

n/a