The cheapest graphics card you can play it on is an Intel 82945G Express. An Intel Celeron CPU is required at a minimum to run Hitori. Whereas, an Intel Core i3-530 is recommended in order to run it. You will need at least 100 MB of free disk space to install Hitori. The minimum memory requirement for Hitori is 256 MB of RAM installed in your computer. Additionally, the game developers recommend somewhere around 512 MB of RAM in your system.
Hitori will run on PC system with Windows XP, 7, Vista, 8, 8.1, 10 and upwards. Additionally it has Mac and Linux versions.