You can run the portable application directly from within a running Windows environment (64-bit) without rebooting. into the 64-bit computer you wish to image.
If Windows is locked by ransomware, booting from your portable USB bypasses the infected OS entirely. You can scan, image, or wipe drives in a clean, isolated 64-bit environment. Macrium Reflect Portable 64 Bit
— Some third‑party sites offer modified versions claiming to be portable. These are not recommended due to: You can run the portable application directly from