Q4OS is a fast and friendly, desktop oriented operating system based on Debian Linux. Providing a set of dedicated utilities and specific optimizations, combined with a focus on getting a productive system easily. 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.
Rock stable -stability, consistence, lightness are our top priorities. This is exactly what Debian upstream guarantees and which is why we honor the Debian development model. Q4OS is designed to be stable, immutable and fail-safe in the long-term .
Visual themes, Lookswitcher- would you like to change the default desktop look and feel ? Install Lookswitcher from the software center to get a few original desktop themes and a one-click tool to easily switch between them. Select a theme you like and enjoy the new desktop appearance.
It is based on the KDE desktop, and comes with Chromium browser, Dolphin file manager, Kate notepad, LIbreOffice suite, screen shot tool, and a System Monitor. It includes a Welcome screen for new users with a list of popular applications called Software Centre, which only take one click to install, such as: VLC media player, Deluge BitTorrent client, Chrome browser, Firefox browser, Mousepad text editor, and Synaptic Package Manager, among others. It also offers the KDE Software Library. There are several custom themed versions of Q4OS offered: one for XP, one for Win10, and others. It makes the transition to Linux all the more friendly and familiar from Windows. Below are my screen shots and a link where to download this Win10 version.
By installing the Look Switcher, you can select from several desktop themes complete with taskbars, icons, window tiles, and wallpapers. There are versions for Win10, Win11, WinXP, and others (below).
Win11 Theme
After some tweaking, below are my test results attempting a Win11 look: I added: Win11 wallpaper, Win11 icons, Thunar file manager, Deadbeef music player, Strawberry music player, Win10 login screen, centered the Task Bar icons, and Mousepad text editor.














