There is no official portable version of Macrium Reflect. Macrium Software only provides a standard installed version (Free, Home, Workstation, Server).
It looks like you're searching for a . I can give you some important guidance here. Macrium Reflect Portable 64 Bit
Would you like steps to create a instead? That’s the safest and most useful “portable” solution. There is no official portable version of Macrium Reflect