Configure your memory settings as needed, continue and set 'VirtIO (paravirtualized)' as network device, finish your VM creation.Set 'Write back' as cache option for best performance (the 'No cache' default is safer, but slower) and tick 'Discard' to optimally use disk space (TRIM). For your virtual hard disk select 'SCSI' as bus with 'VirtIO SCSI' as controller.Continue and mount your Windows 10 ISO in the CDROM drive Create a new VM, select 'Microsoft Windows 10/2016/2019' as Guest OS and enable the 'Qemu Agent' in the System tab.
To obtain a good level of performance, we will install the Windows VirtIO Drivers during the Windows installation. This is a set of best practices to follow when installing a Windows 10 guest on a Proxmox VE server 6.x.