You should never download a pre-packaged "Macrium Reflect Portable" from file-sharing sites or torrents, as these are often bundled with malware. Instead, you can easily generate your own official, secure portable version using a licensed copy of Macrium Reflect (typically the Technician’s License or Home/Business editions via deployment tools).
Disk imaging processes massive amounts of data. Using a USB 3.0, 3.1, or Type-C flash drive significantly reduces backup and restore bottlenecks. Macrium Reflect Portable 64 Bit
The tool will include the necessary 64-bit executables, allowing the drive to act as both a bootable recovery tool and a "portable" application environment. You should never download a pre-packaged "Macrium Reflect
Create exact block-level images of entire hard drives or specific partitions. Macrium Reflect Portable 64 Bit