Avoid installing X-Plane 11 in the Program Files (x86) folder to prevent Windows permission issues. An SSD (M.2 preferred) in the root directory (e.g., C:\X-Plane 11 ) is ideal for faster loading.
If it contains scripts or .xpl files, move them to: X-Plane 11/Resources/plugins/ . 3. Installation Best Practices X-Plane-11-TRNT.rar
The installation path depends on what is inside the .rar file: Avoid installing X-Plane 11 in the Program Files