Latest News

13 May, 2020

Q4OS 3.11 Centaurus

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01 May, 2020

Q4OS 4.1 Gemini

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27 February, 2020

Raspberry Pi, Q4OS 3

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Welcome to Q4OS

fast and powerful operating system based on the latest technologies while offering highly productive desktop environment. We focus on security, reliability, long-term stability and conservative integration of verified new features. System is distinguished by speed and very low hardware requirements, runs great on brand new machines as well as legacy computers. It is also very applicable for virtualization and cloud computing.

The right desktop for your business

Get professional support for your business. The team behind Q4OS is ready to provide any kind of system customization, including core level API programming as well as user interface modifications. For any form of commercial support ask at

We are currently seeking business partners to accelerate development, in order to build the perfect operating system for professional use. If you would like to participate, fund or make an investment in Q4OS, please contact us at