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28 August, 2016

Q4OS 1.6, Orion

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27 June, 2016

Q4OS 1.4.12, Orion

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Installation CD

Download the bootable installation CD images below, you can install and use it free. The minimum HW requirements is defined as Pentium 300MHz CPU / 128MB RAM / 3GB disk.


This Long Term Support release codenamed 'Orion' gives you five years of security patches and updates, it will be supported till May 2020 at least.

Live CD

Live media allows users to get a quick Q4OS experience, or test it on a real hardware without installation. If satisfied, an optional installation of Q4OS is available.



Raspberry Pi image

Q4OS 'RPI' port is a free operating system optimized for the Raspberry Pi family hardware. You can freely download the image below and follow our Installation guide.



ARM port

Q4OS 'armhf' port runs on wide variety of hardware equipped with ARM processors, including Chromebooks, tablets, single board computers, embedded devices and more.



Software downloads

Get Q4OS applications from this section. Installation is pretty easy, download and save installer, doubleclick it from filemanager and follow setup instructions.

Dropbox ... Dropbox.
Skype ... Skype.
Teamviewer ... Teamviewer.
Mozilla Firefox ESR ... Extended support release browser.
Mozilla Firefox ESR ... Extended support release browser.
Chromium ... Chromium web browser.

Additional installers for more applications like Skype, TeamViever and others, can be downloaded via our Sourceforge archive. Keep in mind, additional installers are not fully completed yet, and could suffer from some glitches.

Other downloads

For the newest Q4OS testing images, check the dedicated Testing releases page.

Files details

file ; md5sum ; filesize:
q4os-1.6.1-x64.iso ; 07951ea3488491690408f43eff28ec68 ; 294649856 Bytes
q4os-1.6.1-i386.iso ; a2337ada4ff1da479ac7faeff6323df1 ; 330301440 Bytes
q4os-live-1.6.1-x64.iso ; 123fb324bc8a13e27de53aa8e90fccdd ; 550502400 Bytes
q4os-live-1.6.1-i686pae.iso ; a84c27960aa2511f0454740b592bf402 ; 552599552 Bytes
q4os-1.4.11.3-rpi.zip ; ed78f39a4db960c3bc8cd6d4bd50f757 ; 344435284 Bytes