File: Microsoft.flight.simulator.2020.zip ... Link

MSFS 2020 if it was already running. The new content should now appear in your "Hangar" or "Content Manager".

the extracted folder (the one containing manifest.json ). Paste it directly into the Community folder.

: C:\Users\[YourUsername]\AppData\Local\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalCache\Packages\Community