The cheapest graphics card you can play it on is an NVIDIA GeForce 510. Drakkhen system requirements state that you will need at least 256 MB of RAM. An Intel Core 2 Duo E8400 CPU is required at a minimum to run Drakkhen. In terms of game file size, you will need at least 100 MB of free disk space available.
Drakkhen will run on PC system with Windows 7, Windows 8, Windows 10 and upwards.