This site is being deprecated.
Please see the official X‑Plane Support page for help.
Minimum Hardware Requirements for CPU: Intel Core i3, i5, or i7 CPU with 2 or more cores, or AMD equivalent. (Dual-core CPUs slower than 3 GHz should try the demo before purchasing.)Recommended Hardware Requirements for CPU: Intel Core i5 6600K at 3.5 ghz or faster.
If you can run X-Plane 11 Demo on your computer, then there shouldn't be any problem with full version of X-Plane 11. You can download the free X-Plane 11 Demo and try. More info about downloading older versions you can find here.
This site is no longer being actively maintained.