Use rocky linux or ubuntu.
It gets installed using a command line from the umh management console.
1 install the os
2 give the pc internet
3 get to the linux terminal to enter a command, this can also be done via ssh
4 go to the management console
5 go to instances
6 add instance
7 it will give you the command line to enter
8 run the command on the pc to install umh
9 answer a couple of questions at install
10 wait for completion
@theunr