Virtualization is the safest, smartest answer. And when it comes to open-source virtualization, is the gold-standard disk image format for QEMU , KVM (Kernel-based Virtual Machine) , Proxmox VE , and libvirt management tools.
qemu-img snapshot -c "Fresh_Install" win7_pro.qcow2 Later, revert with: windows 7 qcow2 image install download
Microsoft ended official support for Windows 7 in January 2020. Yet, millions of users still need this legacy operating system—not for daily browsing, but for running legacy accounting software, industrial control systems, classic games, or testing applications in an isolated environment. Virtualization is the safest, smartest answer