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You can save the exact state of your Windows 10 VM and revert to it later without losing data.
Virtualizing Windows 10 in a QCOW2 format offers several technical advantages for developers and sysadmins:
Since Windows is proprietary software, finding "official" QCOW2 images is rare compared to Linux. You typically have two paths: 1. Pre-built Community Images Get images — Virtual Machine Image Guide documentation
Because it only allocates space as needed, a 100GB virtual disk might only take up 20GB of physical space on your host machine initially.
The QCOW2 format supports built-in AES encryption and transparent decompression (zlib or zstd), adding layers of security and further space savings.
Comprehensive Guide to Windows 10 QCOW2 File Downloads A (QEMU Copy-On-Write version 2) is a specialized virtual disk image format primarily used by the QEMU/KVM hypervisor. Unlike traditional disk formats that pre-allocate the entire drive size, QCOW2 uses thin provisioning , meaning the file only grows as data is actually written to it, significantly saving physical storage space. Why Use QCOW2 for Windows 10?
