The cheapest graphics card you can play it on is an NVIDIA GeForce 510. An Intel Core 2 Duo E8400 CPU is required at a minimum to run KO Mech. You will need at least 1 GB of free disk space to install KO Mech. The minimum memory requirement for KO Mech is 4 GB of RAM installed in your computer.
KO Mech will run on PC system with Windows 7 and upwards. Additionally it has Mac and Linux versions.