In terms of game file size, you will need at least 100 MB of free disk space available. Plates system requirements state that you will need at least 2 GB of RAM. The cheapest graphics card you can play it on is an NVIDIA GeForce 6200. An Intel Pentium 4 2.00GHz CPU is required at a minimum to run Plates.
Plates will run on PC system with Windows XP SP2 and upwards. Additionally it has Mac and Linux versions.