Helheim system requirements state that you will need at least 4 GB of RAM. If possible, make sure your have 8 GB of RAM in order to run Helheim to its full potential. The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 750. Futhermore, an AMD Radeon R9 270X is recommended in order to run Helheim with the highest settings. In terms of game file size, you will need at least 5 GB of free disk space available. An Intel Core i5-3450 CPU is required at a minimum to run Helheim. However, the developers recommend a CPU greater or equal to an Intel Core i5-6500 to play the game.
Helheim will run on PC system with Windows 7 and upwards.