I think most of the machines that could run Windows could also run OpenVMS. It’s a bit unfortunate the company behind the OS needs to make money off its licenses though.
> Images for the Virtual Server for VPC (s390x architecture) are deprecated. Starting 28 February 2026, you can't create new instances from s390x images. Existing instances are supported until 20 February 2027. Any instances that remain after that date are deleted.