How to create a Mainframe Lab
https://www.jeeja.biz/2021/04/25/how-to-create-a-mainframe-lab/
Here how to install your Mainframe Lab in a few steps. We are going for the MVS but if you prefer you can use the VM/370, the process is the same.
MVS Tur(n)key System - Readme File
http://www.bsp-gmbh.com/turnkey
"Enjoy your private hercules mainframe"