These OSes are popular because they tend to be easy to use and usually come pre-installed on the computers people buy. Most people use an operating system like Windows or macOS on their desktop and laptop computers. It also means that the source code is openly available so others can contribute to and audit it.
This means that everyone is free to use, copy, and change the software in any way. Qubes is free and open-source software (FOSS). Some examples of popular OSes are Windows, macOS, Android, and iOS. The OS is the software that runs all the other programs on a computer. Qubes OS is a security-oriented operating system (OS). Frequently asked questions (FAQ) General & Security What is Qubes OS?
