MagiCat system requirements state that you will need at least 1 GB of RAM. To play MagiCat you will need a minimum CPU equivalent to an Intel Core 2 Duo T5200. You will need at least 200 MB of free disk space to install MagiCat. The cheapest graphics card you can play it on is an NVIDIA GeForce 7200 GS.
MagiCat will run on PC system with Windows 7 Service Pack 1 and upwards. Additionally it has a Mac version.