Kubuntu is an official, lightweight Ubuntu-based Linux distribution. If you want to try Kubuntu on VirtualBox in Windows 11/10, follow this guide.

While Ubuntu is free to install and use for individuals, organizations can pay for support and for a host of other Ubuntu-based products, such as server software.

Install VirtualBox and optionally the VirtualBox Extension Pack for additional features. Create a new virtual machine in VirtualBox, allocate resources, and install Linux using a downloaded ISO file.