System OS List, Which you can put in Order Options.

– Windows Server 2019 Standard

-Windows Server 2016 Standard

 -Windows Server 2012R2 Standard

-Cent OS 8.0

 -Ubuntu 20.04

 -Free BSD 12.0

-Debian 10.0

 -Proxmox VE 6.0

 -VMWare ESXi 7.0

 -XenServer 7.5