Windows 7 | Lite Qcow2 Best

Tiny7 . An extremely stripped-down version that can run on as little as 256MB RAM and 4GB of disk space , though it often lacks modern browser support and security features.

Use VirtIO with mq=on (multi-queue):

Windows 7 Lite Qcow2 is a lightweight version of Windows 7, optimized for virtual machines, and stored in the Qcow2 format. Qcow2 is a virtual disk format that allows for efficient storage and management of virtual machine disks. Windows 7 Lite Qcow2 is a stripped-down version of Windows 7, with unnecessary features and services removed, making it a lean and mean virtual machine solution. windows 7 lite qcow2 best