It leverages Windows Volume Shadow Copy Service, allowing you to create high-quality "hot" images of your OS while it is still running.
Strictly speaking, Macrium does not offer a standalone "Portable.exe" for the free version. However, you can achieve a high-quality portable experience through two primary methods: macrium reflect portable free high quality
The Ultimate Guide to Macrium Reflect Portable: High-Quality Free Backup in 2026 It leverages Windows Volume Shadow Copy Service, allowing