In terms of game file size, you will need at least 3 GB of free disk space available. Thirty Years' War system requirements state that you will need at least 2 GB of RAM. To play Thirty Years' War you will need a minimum CPU equivalent to an Intel Pentium 4 2.00GHz. Provided that you have at least an NVIDIA GeForce 8500 GT graphics card you can play the game.
Thirty Years' War will run on PC system with Windows XP/Vista/7/8/10 and upwards.
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