Supported Video Cards:
– NVIDIA: NVIDIA GeForce 420 or newer (600 or newer recommended)
– AMD: AMD HD5000 or newer (HD7000 with GCN core or newer recommended)
– Intel: Intel HD 2000 or newer (HD4000 or newer recommended)
Recommended Hardware Requirements
– Video Card: a DirectX 12-capable video card from NVIDIA, AMD or Intel with at least 4 GB VRAM (GeForce GTX 1070 or better or similar from AMD)
You can read more about X-Plane 11 System Requirements here.
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 here and try.