My HA install is running on bare metal computer, which is an 8th gen I3 embedded PC, 8GB of RAM 250GB SSD. Here is the install instructions. I wanted a bit more performance, and a company was throwing these computers away. Besides this can give me more head room to do other things if I ever want to. There's even an option to install HA on windows, but it mentions it in a VM specifically. Nevermind, this is explaining how to have it on Windows, which involves having a Linux VM.