This is where shines. Its "story" is one of extreme efficiency:
It uses Windows Volume Shadow Copy Service (VSS) to create an exact image of your drive while Windows is still running. It’s like taking a high-speed photo of a moving car without making it pull over.
If you want to try the actual software, the official version offers a . This allows you to create and restore images to see if it fits your workflow without risking your system's security.