For those asking about FS Economy, you can sign up for an account by visiting this page and reading the “Getting Started” bit down the right side. You have to register for an account on that site and then request a Game World account which you use to connect to the server using your flight sim.

If you want to then join the Air Squirrel group you login to using your Game World account click on “Groups -> All Groups” and scroll down to Air Squirrel and click Join. It will be submitted for approval.

Note: FS Economy is not a Virtual Airline and you can use it with or without VATSim/IVAO/Pilot Edge.

This is copied from the pinned post in the Flight-Sim-chat in the sub Discord.

Here’s how to get FSE working with the new Microsoft Flight Simulator (you need a FSE Forum account to see the page linked):