Welcome to the forums! Depending on what you need assistance with, we have a #self-service area if you need help from the community, or you can explore the following links to learn more:
General Welcome and How to Get Started: https://forums.flightsimulator.com/t/welcome-to-the-public-forums/121637
New to the Forum: https://forums.flightsimulator.com/t/new-to-the-forum-and-need-help-heres-what-to-ask/333450
Basic Gameplay Help: https://forums.flightsimulator.com/c/student-pilots/basic-gameplay-help/284
Trust Levels and When You Can Post: https://forums.flightsimulator.com/t/trust-levels-and-how-to-advance/121729
Generally, this page will show you color-coded categories and sub-categories for each one that you can peruse.
Or you can Direct Message a @FlightCrew who may be able to direct you where you want to go.