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31 December, 2018

Q4OS 2.7 Scorpion

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22 September, 2018

Q4OS 3.4 Centaurus

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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

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:
59fd903ce4565e60457351c5de823f01 q4os-2.7-x64-kde.r1.iso
0028b8cc6cbd690fc329ee6c77250ad3 q4os-2.7-x64.r1.iso
52fa53cc543c64d1e0f060d380ea5040 q4os-2.7-i686pae.r1.iso
e6b52645a6eb9405a8f47032b54c77f7 q4os-2.7-x64-instcd.r1.iso
07a39c41305d69eb9d57423066313017 q4os-2.7-i386-instcd.r1.iso
bb8e5fc8b4f2f84591b9859f4ca3b096 q4os-2.7-rpi.r1.zip
d0f3e29df9b4c1d6cc014a0d12a8d772 q4os-2.7-pinebook1080p.r1.zip
2ed0cc29c286b818072489739f98f59a q4os-2.7-pinebook.r1.zip
5dd05fb22b16f42c1842c56befed6e47 q4os-winsetup.exe