You can adjust the technical details (version, RAM, size) based on your actual build.

6. Optimising the Qcow2 Image

Shrink the disk (after removing files inside Windows)

Inside Windows: run Defragment and Optimize Drives → Optimize (TRIM for virtio‑scsi).
Then on host:

3. Performance Metrics (Tested on QEMU/KVM)

Host: Ubuntu 22.04, 4 vCPU, 8 GB RAM, NVMe SSD

Virtual Machine Setup: A VM is created in a KVM/QEMU environment (like Proxmox or Virt-Manager).

: A 60GB virtual disk may only take up 10GB of actual storage initially.