qemu-system-x86_64 -hda windows_xp.qcow2 -m 512 -vnc :0

Why specifically look for an “upd” version? A vanilla Windows XP SP3 ISO from 2008 is extremely vulnerable when connected to a modern network. An image typically includes:

If you are using Proxmox , simply upload the QCOW2 file to your ISO/Image storage and import it to a new VM using the qm importdisk command. Security Warning

Ready-to-use images are often hosted on community platforms. Always verify the integrity of these files as they are third-party uploads. EVE-NG Community Images

To create a Windows XP QCOW2 file, you'll need: