Forest Guardian system requirements state that you will need at least 1 GB of RAM. Additionally, the game developers recommend somewhere around 2 GB of RAM in your system. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Forest Guardian. In terms of game file size, you will need at least 200 MB of free disk space available. Make sure your have 300 MB of free disk space in order to install Forest Guardian. The cheapest graphics card you can play it on is an NVIDIA GeForce 7200 GS. But, according to the developers the recommended graphics card is an NVIDIA GeForce 8500 GT.
Forest Guardian will run on PC system with Windows XP\Vista\7\8 and upwards.
Show Forest Guardian system requirements on your site