To download City Update I: Germany you must have patch 184.108.40.206 or higher installed.
- Launch Microsoft Flight Simulator
- On the main menu, head to the Marketplace
- Go to World > World Update
- Click on City Update I: Germany
- Click on Get & Download.
GET AND DOWNLOAD BUTTON GRAYED OUT
If the 'Get and Download' button is not available, go to 'All versions - Buy & Download button is grayed out'