To get started playing "Among Us: Home Edition" on your Commodore 64 Personal Home Computer first: 

Put the "Among Us: Home Edition" disk into the disk drive of your commodore 64.

Dependency: The game requires an extra 64KB of RAM, make sure you have put the "Innersloth Memory Enhancer" in the expansion port of the system before continuing.

Now power your commodore on and type "LOAD "*",8,1" hit return and wait for the display to display "Processing a disk."