Q4OS is a fast and friendly, desktop-oriented operating system based on Debian Linux and featuring a Mac-like dock.

Q4OS provides a set of dedicated utilities and specific optimizations, combined with a focus on quickly getting a productive system. This makes it ideal for people who want to get a working environment tailored to individual needs and preferences. From this perspective, Q4OS is suitable for both newcomers as well as experienced computer users.

Dual desktop ready - a unique alternative that makes it possible to set up multiple desktop environments, typically Plasma and Trinity, side by side without interfering with each other. Carefully separated, ready to run as required, waiting for action.

Lean and fast - thanks to unique Q4OS tools, a user can relatively quickly achieve the setup of a fitted system eliminating superfluous components and applications. Therefore Q4OS performs faster and more efficiently, doesn't exploit memory and computing resources with useless tasks and processes.

Windows installer - an exclusive way to put Linux alongside Windows. Just run a setup wizard from within Windows and install Q4OS as easily as any other application. Although installed within windows, the Q4OS kernel can take full control of the hardware.

Limitations:
32-Bit no longer updated.