Go to the VM Manager control panel. Or, in the main control panel, under "Virtual servers", select your server and click "To panel".
Then go to Virtual Machines and choose a server and press Reinstall button.
You can choose one of the following operating systems from the list of our templates:
- CentOS 6-amd64
- CentOS 7-amd64
- CentOS 8-amd64
- Debian 8-x86_64
- Debian 9-x86_64
- Debian 10-x86_64
- FreeBSD 10-amd64
- FreeBSD 11-amd64
- FreeBSD 12-amd64
- Ubuntu 14.04-amd64
- Ubuntu 16.04-amd64
- Ubuntu 18.04-amd64
- Ubuntu 20.04-amd64
You can install any other operating system on your machine for free. To do this, you only need an operating system image in the .iso format. Read here