Finding a pre-built is difficult because most distributors provide ISO files instead of virtual disk images. To get a functional .qcow2 environment, you typically download a "Lite" ISO and convert it during installation. Direct Download Links (Lite ISOs)
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A safe "windows xp lite qcow2 download link" does not exist from a legitimate source. The only trustworthy QCOW2 is one you create yourself using an official Microsoft ISO and your own license key. It takes 45 minutes to build, but you gain total control, zero malware, and a clean conscience. windows xp lite qcow2 download link