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29 January, 2018

Q4OS 3.1, Centaurus

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29 November, 2017

Windows10 loves Q4OS

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10 October, 2017

Q4OS 2.4, Scorpion

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Applications development

Use Q4OS Development Pack as a starting point for custom applications development, please read developer manuals in the Documents section first. We offer the complete support for independent developers via e-mail or public developer forum.


Please report bugs at our bug report tracker. You are welcome to submit a proposals for Q4OS improvements or new features as well.


If you would like to help us, contribute or anyhow participate in the development of Q4OS ecosystem, contact us at