Windows 7 supports Unmap (equivalent to TRIM) only with specific storport drivers. To enable sparse reclamation on QCOW2:
bootrec /fixmbr bootrec /fixboot bootrec /rebuildbcd windows 7 qcow2 file
Allows you to save and revert to specific system states. Compression: Reduces the footprint of the virtual disk. AES Encryption: Secures data at the disk level. Step-by-Step Creation Guide Windows 7 supports Unmap (equivalent to TRIM) only
To ensure your Windows 7 QCOW2 file runs smoothly, apply these post-installation tweaks: apply these post-installation tweaks: