X-Plane 12, X-Plane 11.50+
Windows 10+, Mac OS 10.15+ (Apple M1 not supported yet) or Linux 14.04 LTS or compatible, 64 bit mode
Disk Space: 4 GB


X-Plane 12:

Minimum:
CPU: Intel Core i3, i5, i7, or i9 CPU with 4 or more cores, or AMD Ryzen 3, 5, 7 or 9, or equivalent
RAM: 16 GB
Video Card: a Vulkan 1.3-capable video card from NVIDIA or AMD with at least 6 GB VRAM

Recommended:
CPU: Intel Core intel i5-12600K or Ryzen 5 3500 or better
RAM: 32 GB
Video Card: a DirectX 12-capable video card from NVIDIA or AMD with at least 8-12 GB VRAM 
(GeForce RTX 2070 or better, or similar from AMD)


X-Plane 11:

Minimum:
CPU: Intel Core i3, i5, i7, or i9 CPU with at least 4 cores, or AMD equivalent
RAM: 16 GB
Video Card: a DirectX 11-capable video card from NVIDIA or AMD with at least 4 GB VRAM

Recommended:
CPU: Intel Core i5 8600k or Ryzen 5 3500 or better
RAM: 32 GB
Video Card: a DirectX 12-capable video card from NVIDIA or AMD with at least 8 GB VRAM
(GeForce GTX 1070 or better, or similar from AMD)