An Intel Core 2 Duo E6850 CPU is required at a minimum to run PiiSim. The cheapest graphics card you can play it on is an NVIDIA GeForce 9600 GT. You will need at least 500 MB of free disk space to install PiiSim. The minimum memory requirement for PiiSim is 4 GB of RAM installed in your computer.
PiiSim will run on PC system with Windows 7 and upwards.