: It can run on very old hardware, requiring only 512 MB of RAM and a Pentium III processor. Cons: Prison Tycoon 4: SuperMax Review - IGN
: Income can be generated by building prisoner factories (e.g., making license plates) or managing parole decisions.
If you're looking for a free download, I can suggest checking out the game's demo version or seeking out a free trial offer. Keep in mind that these versions may have limited features or gameplay.