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22 September, 2018

Q4OS 3.4 Centaurus

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08 September, 2018

Q4OS 2.6 Scorpion

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29 November, 2017

Windows10 loves Q4OS

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Live CD

The Long Term Support release codenamed 'Scorpion' gives you five years of security patches and updates, it will be supported until October 2022 at least.


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. You can download either a lightweight and efficient Trinity desktop, or more advanced Plasma desktop edition. The minimal hardware requirements are defined as follows:
Trinity desktop - 300MHz CPU / 128MB RAM / 3GB disk
Plasma desktop - 1GHz CPU / 1GB RAM / 5GB 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 10/8/7 compatible.



Specific hardware - Raspberry Pi, Pinebook, Pine64

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



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:
32c4e36aaeee497a5b123bfacc2eba66 q4os-2.6-x64-kde.r2.iso
442ff626e1b9885c25483c6db6a22a5a q4os-2.6-x64.r2.iso
04f5c9d497295f6cf6b7cfd77b68133d q4os-2.6-i686pae.r3.iso
debdcc0597ad85f9ce4a647fead373a8 q4os-2.6-x64-instcd.r3.iso
a87be5917c353639c71fb6c817ff47e2 q4os-2.6-i386-instcd.r3.iso
ea1d5127dceb34b89faeb3381edb761d q4os-2.6-rpi.r3.zip
9ee827694178ca2a9f2749bf42232332 q4os-2.6-pinebook.r3.zip
f82482c0f72fbf9a2ade04cf98ef22ec q4os-2.4-pine64.r3.zip
c79ff438e5c54fc606dd47c5dc034686 q4os-winsetup.exe