Xpqcow2 — Windows

You can save the "state" of your XP installation and roll back to it instantly if something breaks. Copy-on-Write (COW):

Last week, I needed to run an old Delphi 7 project (only works on XP). Instead of digging out a dusty ThinkPad, I: windows xpqcow2

Since Windows XP is long past its official support cycle, running it in a virtualized environment via a (QEMU Copy On Write) disk image is the gold standard for retro computing and legacy software testing. You can save the "state" of your XP

Here’s a creative, engaging post about and Qcow2 (the QEMU copy-on-write disk format). It’s written in a nostalgic + tech-deep-dive style, suitable for a blog, social media, or forum. suitable for a blog