Shigatari system requirements state that you will need at least 2 GB of RAM. If possible, make sure your have 4 GB of RAM in order to run Shigatari to its full potential. An Intel Core 2 Duo E8400 CPU is required at a minimum to run Shigatari. Whereas, an Intel Pentium 4 2.00GHz is recommended in order to run it. The cheapest graphics card you can play it on is an NVIDIA GeForce 6200. But, according to the developers the recommended graphics card is an NVIDIA GeForce 7200 GS.
Shigatari will run on PC system with Windows XP, 7, 8, 10 and upwards. Additionally it has Mac and Linux versions.