The default IDE and RTL8139 network emulations are slow. To unlock maximum speed, transition the virtual machine to VirtIO drivers. Injecting VirtIO Storage Drivers
Use -cpu host to pass through your modern processor features. windows xp qcow2
For convenience, many users look for pre-installed QCOW2 images to avoid the lengthy installation process. The default IDE and RTL8139 network emulations are slow
The file occupies only the space actually used by Windows XP, growing automatically up to your designated maximum size. do not rebuild. Convert it.
If you have an existing windows xp.vmdk (VMware) or windows xp.vdi (VirtualBox), do not rebuild. Convert it.
