An AMD Phenom II X4 810 CPU is required at a minimum to run Fugue in Void. In terms of game file size, you will need at least 1 GB of free disk space available. The cheapest graphics card you can play it on is an Intel HD 3000. Fugue in Void system requirements state that you will need at least 1 GB of RAM.
Fugue in Void will run on PC system with Vista 32-bit Service Pack 2 and upwards. Additionally it has a Mac version.
Minimum System Requirements
CPU
Intel Core i5
RAM
1 GB RAM
OS
10.7.5 or later
Graphics Card
Intel HD 4000
HDD Space
1 GB available space
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