Q4OS 3 Centaurus media  [old stable version]

 Feel free to download and use various media below.


 Q4OS 3 'Centaurus' have been superseded by Q4OS 4 'Gemini', you are recommended to install the Gemini instead. The end of life of the 3.x branch is set to July 2024, until then, it continues to be supported.

Q4OS 3 Centaurus installer for Windows  [old stable version]

 The easiest way to put Q4OS alongside Windows. Just run the installer from within Windows and install Q4OS as easily as any other application. Windows 10/8/7 compatible.



Q4OS 2 Scorpion media  [old-old stable version]

 Feel free to download and use various media below.


 Q4OS 2 'Scorpion' have been superseded by Q4OS 4 'Gemini', you are recommended to install the Gemini instead. The end of life of the 2.x branch is set to October 2022, until then, it continues to be supported.

Files details

md5sum ; file:
6fe8de2bf62e8c03a30f491672a5c163 q4os-3.15-x64.r1.iso
f72b9cb3c56b20e4d7055ea74b32af45 q4os-3.15-x64-tde.r1.iso
1dc07d4bfbc0dbb83313dcb351c91aef q4os-3.14-x64-instcd.r5.iso
5dd2fc4a8781b300dd8be7d6602495f7 q4os-3.14-i386-instcd.r5.iso
d9be361943084c54b51d3fd883f56407 q4os-winsetup-3.14-r4.zip
4f877e2157b6d57e6ad0f32f60bb30cc q4os-2.8-x64-instcd.r1.iso
080f08eb650c8dbc9a8b191807ca3086 q4os-2.8-i386-instcd.r1.iso