Here you go:
Enable-WindowsOptionalFeature -Online -FeatureName Microsoft-Hyper-V -All
New-VM -Name MyMachine -path C:\installs\vm-machine -MemoryStartupBytes 512MB
New-VHD -Path C:\installs\vm-machine\MyMachine\mymachine.vhdx -SizeBytes 10GB -Dynamic
Add-VMHardDiskDrive -VMName MyMachine -path "C:\installs\vm-machine\MyMachine\mymachine.vhdx"
Set-VMDvdDrive -VMName MyMachine -ControllerNumber 1 -Path "C:\installs\vm-machine\MyMachine\connector-59.0.0.52.iso"
Adjust as needed.