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29 January, 2018

Q4OS 3.1, Centaurus

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29 November, 2017

Windows10 loves Q4OS

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10 October, 2017

Q4OS 2.4, Scorpion

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Live CD

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.


This Long Term Support release codenamed 'Scorpion' gives you five years of security patches and updates, it will be supported until October 2022 at least. The minimal HW requirements for Q4OS is defined as Pentium 300MHz CPU / 128MB RAM / 3GB disk.

Installation CD

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



Installer for Windows

Windows installer puts Q4OS alongside Windows in an easy way, you will not have to modify your existing Windows installation. The installer is Windows 7/8/10 compatible.



Specific hardware - Pinebook, Pine64, Raspberry Pi

Download images below to get a poweful desktop optimized for the Pine64 or Raspberry Pi family hardware.



ARM port

Q4OS for ARM devices runs on wide variety of hardware equipped with 32/64bit 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.

Mozilla Firefox ESR ... Mozilla's web browser, ESR version.
Blueman ... bluetooth manager for laptops with integrated bluetooth device.
Dropbox ... Dropbox.
Skype ... Skype.
Teamviewer ... Teamviewer.
Google Chrome ... Google's web browser.
Chromium ... Chromium web browser.
Chromium ... Chromium web browser, RPI edition.
Libre Office ... professional quality office suite.
Multimedia codecs ... high quality video and audio codecs.
Virtualbox Guest Additions ... optimized drivers for those who run inside Virtualbox.
Update Manager ... software updates notifier and manager.


Other downloads

If you are looking for older supported Q4OS releases, you can download from Legacy releases page. For the newest Q4OS testing images, check the dedicated Testing releases page.

Files details

md5sum ; file:
f43a1e5689e81d6d0ce89a3e5a613ca7 q4os-2.4-x64.r9.iso
56e21caffe0c666cddee66ebf8d189de q4os-2.4-i686pae.r9.iso
1151ed3d6cb9c78d225ebc177ab5bbaa q4os-2.4-x64-instcd.r9.iso
519767232f9f937135c38baf1b845f72 q4os-2.4-i386-instcd.r9.iso
67308e583aaf827fdca9ab5681752e2f q4os-2.4-pinebook.r3.zip
f82482c0f72fbf9a2ade04cf98ef22ec q4os-2.4-pine64.r3.zip
c3f502d09feae127b4076384996c0f8c q4os-1.8-rpi.r1.zip
c79ff438e5c54fc606dd47c5dc034686 q4os-winsetup.exe