Installation CD - old stable version

If you are looking for pure installation media for personal computers, even for older i386 systems without PAE extension, download the installation CD below.


Q4OS 1 'Orion' has been superseded by Q4OS 2 'Scorpion', you are recommended to install Scorpion instead. The end of life of 1.x branch is set to May 2020, until then, will continue to be supported.

Live CD - old stable version

Live media allow users to get a quick Q4OS experience, or try it out on a real hardware without installation. If satisfied, an optional installer is available.


Q4OS 1 'Orion' has been superseded by Q4OS 2 'Scorpion', you are recommended to install Scorpion instead. The end of life of 1.x branch is set to May 2020, until then, will continue to be supported.

Files details

md5sum ; file:
84079d792366fa2aca2341c553a9f05c q4os-1.8.8-x64.iso
96b88f6afbfee6354404ec18670744d2 q4os-1.8.8-i386.iso
edcfae3b0b0b0a357c18e781adbf8591 q4os-live-1.8.8-x64.iso
46e6641aede785cd77bb2c715c7cbc3b q4os-live-1.8.8-i686pae.iso