Let’s take one thing at a time.
There should be no difference for you compared to my steps when downloading our apps. You should be able to follow my steps word by word, without exceptions. Please tell me what steps you took and where things did not align with what I showed you - this is essential for me to help you!
What steps did you perform? Where did you get stuck?
The Navigraph Hub is only used for Microsoft Flight Simulator - not X-Plane. That is why I did not include this application in any of my instructions above. It is not usable in your situation.
I am sorry, I don’t understand what you mean. Navigraph Charts is not available in the plugin tab in X-Plane. Could you send me a screenshot of what you are seeing? You can find instructions on how to do that here: Posting Guide - Uploading Screenshots
Kind Regards,
Malte