Kubuntu is an official flavour of the Ubuntu operating system which uses the KDE Plasma Desktop instead of the Unity graphical environment. Developed by Canonical Ltd
License: Open Source
Kubuntu is a modern, open-source operating system that offers high customization and regular updates, while Windows XP is an older operating system that is user-friendly but lacks modern security and software support. Users seeking a customizable and secure experience may prefer Kubuntu, while those needing compatibility with legacy software may still find Windows XP useful.