You are free to install any operating system on your VPS. Although a Debian 10 install image is pre-installed for you. Here we will introduce how to install a different LinuxOS.
Select one of your favorite Linux distributions in the Boot Image and Save.
Please note: Since new version of KVM (1.0.191) released, the qemu process will now restart automatically as soon as you change a parameter (so the VM will reboot).
You can then connect to VPS to install the OS:
You will have the installation image ready after auto restart. If you want to install a Windows OS, please check How to Deploy a VPS with a different OS (Windows) on Rapid.Space
For more information, please contact Jean-Paul, CEO of Nexedi (+33 629 02 44 25).