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Please see the official X‑Plane Support page for help.
http://questions.x-plane.com/?qa=blob&qa_blobid=8884622533795126048I downloaded X-plane 11 demo yesterday January 18th, 2019. I downloaded the installer, I ran the X-Plane.exe file, the installation began until it stops and freezes at the "Fin du chargement asynchrone" step.
Follow the instructions provided in the answer at the following link found at https://questions.x-plane.com/22150/insert-the-file-button
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