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Please see the official X‑Plane Support page for help.
I am not from Laminar Research; just a flight simmer.
Check out the system requirements found at the following link at https://www.x-plane.com/kb/x-plane-11-system-requirements/ I am of the opinion your system will work.
What is not mentioned is good cooling is required as the GPU and the CPU generates heat that needs to be dispersed.
Download the X-plane demo version found here at https://www.x-plane.com/desktop/try-it/ The demo download is the full version but you are restricted to a set location and a time period. If and when you do purchase the Laminar Research version you will be provided a password key to be applied where and when requested and X-Plane will then open to the full version.
As a sideline issue the steam version is not the official X-Plane (Laminar Research) version but a 3rd party hybrid.
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This site is no longer being actively maintained.