You will need at least 2 GB of free disk space to install Ghrian. The minimum memory requirement for Ghrian is 4 MB of RAM installed in your computer. An Intel Core i5-4570 CPU is required at a minimum to run Ghrian. The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 670.
Ghrian will run on PC system with Windows7,8. 64bit and upwards.
