The minimum memory requirement for Gerty is 2 GB of RAM installed in your computer. You will need at least 1 GB of free disk space to install Gerty. An Intel Pentium 4 2.53GHz CPU is required at a minimum to run Gerty. The cheapest graphics card you can play it on is an NVIDIA GeForce 7200 GS.
Gerty will run on PC system with Windows 7, Windows 10 and upwards. Additionally it has Mac and Linux versions.