Seemingly Hyper-V Manager GUI does not show VM generation of already created VMs whereas we do need to check on that sometimes. As usual PowerShell is an answer to this problem:
That command will output name of VMs and generation information as shown on a sample screenshot below:
Command above need to be run in elevated (Run as administrator) PowerShell window and from your Hyper-V host.
That’s it – Just a little note on how to grab VM generation information.