Latest News

12 August, 2014

Application Server updated

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06 August, 2014

Website design update

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17 July, 2014

Q4OS 0.5.17 dev version released

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Welcome to Q4OS

fast desktop operating system designed to offer classic style user interface, simple accessories and to serve stable API for complex third party applications. System is distinguished by speed and very low hardware requirements, run great on brand new machines as well as legacy computers. It is also very applicable for virtualization and clouds.


Get professional support for your business. We are ready to make any kind of system customization, including core level API programming as well as user interface modifications. Any form of commercial support ask at Buy optimized, preinstalled hardware in our e-shop.

Become our business partner, if you would like to participate, fund or make an investment in Q4OS. Contact us at and assist to accelerate Q4OS development.