Q4OS is a Debian based operating system that resembles Windows XP. It uses Trinity Desktop and Plasma Desktop to provide a classic user experience of 20th century.

A screenshot of Q4OS 3.8 that resembles Windows XP

The latest release of Q4OS, Q4OS 3.8 is based on Debian 10 Buster. It will be supported a minimum period of 5 years. This release includes Plasma Desktop 5.14 and Trinity Desktop 14.0.6.

Following section showcases some screenshots of Q4OS 3.8 with Trinity Desktop. These screens takes us to the Windows XP days.

01 Q4OS Welcome01 Q4OS Welcome02 Q4OS Desktop Profiler02 Q4OS Desktop Profiler03 Q4OS Software Center03 Q4OS Software Center04 Installation Wizard like Windows04 Installation Wizard like Windows05 Start Menu configuration05 Start Menu configuration06 Bourn born start menu06 Bourn born start menu07 Classic Start Menu07 Classic Start Menu08 Q4OS Trinity Desktop08 Q4OS Trinity Desktop09 File Manager with Konqueror09 File Manager with Konqueror10 Krusader File Manager10 Krusader File Manager11 Konsole Terminal Emulator11 Konsole Terminal Emulator12 Chrome Browser12 Chrome Browser13 Konqueror browser13 Konqueror browser14 resource usage on idle state14 resource usage on idle state15 Control Panel15 Control Panel16 Q4OS Look Switcher16 Q4OS Look Switcher17 Slide Look and Feel17 Slide Look and Feel18 Spring look and feel18 Spring look and feel19 Shutdown confirmation19 Shutdown confirmation

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