The cheapest graphics card you can play it on is an NVIDIA GeForce 510. Community College Hero: Knowledge is Power system requirements state that you will need at least 4 GB of RAM. To play Community College Hero: Knowledge is Power you will need a minimum CPU equivalent to an Intel Core 2 Duo E8400.
Community College Hero: Knowledge is Power will run on PC system with Windows 7 and upwards. Additionally it has Mac and Linux versions.
Minimum System Requirements
OS
10.6
Minimum System Requirements
OS
Ubuntu 12.04
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