Installation gets stuck on Decompressing asobo-airport-rjtt-tokyo-haneda-0.1.45.fspatch

Earlboone79 has recommended a good place to start.
That is one of the suggested “cures” Zendesk recommends.
Remove the Tokyo-Haneda file and try again.

Here is a link to the troubleshooter guide:
https://flightsimulator.zendesk.com/hc/en-us/articles/360015760660-Download-Installation-issues-Windows-Store-troubleshooting