Amberskull system requirements state that you will need at least 8 GB of RAM. The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 660. In terms of game file size, you will need at least 4 GB of free disk space available. An AMD A8-7600 APU CPU is required at a minimum to run Amberskull.
Amberskull will run on PC system with Windows 7 and upwards.