The cheapest graphics card you can play it on is an NVIDIA GeForce GTX 970. Airborne Empires system requirements state that you will need at least 8 GB of RAM. In terms of game file size, you will need at least 2 GB of free disk space available. An Intel Core i5-4590 CPU is required at a minimum to run Airborne Empires.
Airborne Empires will run on PC system with Windows 10 and upwards.
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