Latest News

31 December, 2018

Q4OS 2.7 Scorpion

read more ...


22 September, 2018

Q4OS 3.4 Centaurus

read more ...


29 November, 2017

Windows10 loves Q4OS

read more ...


Follow us

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

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.
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:
246e622a97967b1ec0c34aa045e3d4e2 q4os-2.7-x64-kde.r3.iso
44c8f3e11e8cd66e282da4ff3d7bc561 q4os-2.7-x64.r2.iso
b892c1eeb8bee30051f82a8b4cd738f8 q4os-2.7-i686pae.r2.iso
56553f35349036c811a0fe4acb0de03d q4os-2.7-x64-instcd.r2.iso
3ec760291ce41e2263b347d941f9c370 q4os-2.7-i386-instcd.r2.iso
3d00d24d863c361031dd46f84e404f04 q4os-2.7-rpi.r3.zip
92bfda119362527113fcb00ee3ce3e1c q4os-2.7-pinebook1080p.r2.zip
db2765a2982c1eb5378d0ab152b22cd8 q4os-2.7-pinebook.r2.zip
5dd05fb22b16f42c1842c56befed6e47 q4os-winsetup.exe