If you have a Windows 7 VM in VirtualBox (VDI) or VMware (VMDK) and want to switch to QCOW2, you can convert it easily using the qemu-img tool.
Windows 7’s pagefile.sys and hiberfil.sys keep rewriting. Fix: Inside Windows 7, disable hibernation ( powercfg -h off ) and set a fixed pagefile size (e.g., 2GB). windows 7qcow2
While you can find pre-built images on sites like SourceForge or Google Drive , building your own ensures security and clean licensing. If you have a Windows 7 VM in
Passes through physical CPU features for better performance. windows 7qcow2
Always keep the original image until the new QCOW2 boots successfully.
