QCOW2 is not ideal for heavy disk I/O on ancient hardware, but for Windows XP Lite? It’s butter-smooth.
Because Windows XP is "legacy" software (and many "Lite" versions are community-modified), these files are usually hosted on archival or enthusiast sites rather than official Microsoft channels. What is Windows XP Lite (QCOW2)? windows xp lite qcow2 download exclusive
: A 10GB virtual disk only takes up as much space as the data actually stored on it. QCOW2 is not ideal for heavy disk I/O