The Windows 7 qcow2 Time Capsule: Why 2021 Was the Last Safe Year to Run It (and How to Do It Properly)
: Windows 7 does not natively include VirtIO drivers. To achieve high performance in a QCOW2/KVM setup, you must manually load VirtIO drivers windows 7qcow2 2021
The choice of QCOW2 over RAW or VDI offers specific features that were mature and highly optimized by 2021: The Windows 7 qcow2 Time Capsule: Why 2021
For a physical disk (Linux):
Or with QEMU:
Procedure to import vmware OVA to Proxmox 5.0-23 with ZFS VM store windows 7qcow2 2021