You will need at least 50 MB of free disk space to install iFactor. The cheapest graphics card you can play it on is an NVIDIA GeForce 510. iFactor system requirements state that you will need at least 256 MB of RAM. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run iFactor.
iFactor will run on PC system with Windows XP SP2+ and upwards. Additionally it has Mac and Linux versions.