Q4OS 4 Gemini media  [old stable version]

 Feel free to download and use various media below.


 Q4OS 4 Gemini have been superseded by Q4OS 5 Aquarius, you are recommended to install the Aquarius instead. The end of life of the 4.x branch is set to September 2026, until then, it continues to be supported.

Q4OS 4 Gemini installer for Windows  [old stable version]

 The easiest way to put Q4OS alongside Windows. Just run the setup wizard from within Windows and install Q4OS as easily as an application. Windows 11/10/8/7 compatible.



Q4OS 3 Centaurus media  [old stable version]

 Feel free to download and use various media below.


 Q4OS 3 Centaurus have been superseded by Q4OS 5 Aquarius, you are recommended to install the Aquarius instead. The end of life of the 3.x branch is set to July 2024, until then, it continues to be supported.

Files details

md5sum ; file:
3e7443c2365ebae754d71689311a7384 q4os-4.12-x64.r3.iso
f8d9260d48f3c28d2e1350daf72357ce q4os-4.12-x64-tde.r3.iso
2435778248706a17757a5244fef31a66 q4os-4.12-x64-instcd.r2.iso
8cacb850775a9cfd7a210c5c606fac9f q4os-4.12-i386-instcd.r2.iso
cd8a2a5224865f7f3940673aee3924d2 q4os-winsetup-4.12-r1.zip
6d9056ba58c898cabd07cad4b9076dba q4os-3.16-x64-instcd.r3.iso
a1b02f9d480c140fe08fe730274412e5 q4os-3.16-i386-instcd.r3.iso