*please contact us directly or manufacture support if you encounter any installation issues Manufacturer does not make this product with a cd key, disc one is used as validation Windows: Windows 7, 8, or 10, 64-bit CPU: Intel Core i5 6600K at 3.5 ghz or faster.RAM: 16 GB.VIDEO CARD: DirectX 12-capable video card from NVIDIA, AMD w/4 GB VRAM. *PLEASE NOTE -If you downloaded the demo, delete it. Do not use the digital download code or the DVDs with the demo. The demo only has a tiny portion of the world scenery, whereas the full version of X-Plane has the entire world. *MUST HAVE A DVD DRIVE TO USE, NO CD/SERIAL KEY MADE ON DVD VERSIONS, DISC 1 IS USED FOR VALIDATION