QEMU Copy-On-Write version 2 is a disk file format that represents a virtual hard drive. Unlike a raw .img file which allocates the full size immediately (e.g., 20GB instantly taken from your SSD), a Qcow2 file grows dynamically.
If you want, I can provide:
: Sets a 10GB capacity, which is generally sufficient for XP and basic apps 3. Initiate Installation i--- Windows Xp Qcow2