If you have not entered a valid product key, the software goes into Reduced Functionality mode. If the product ID number is missing, the product has not been activated. To determine whether the product has been activated, start Free Flight in Flight Simulator X. Activation works by verifying that the product key is not being used on more personal computers than are permitted by the software license. Microsoft Product Activation is designed to verify that software products are legitimately licensed. To use all the features of Flight Simulator X, you must activate the product. After you activate Flight Simulator X, you can use all the features. To activate Flight Simulator X, close the game and then restart the game. Note If you have activated the product but the issue continues to occur, see the following Microsoft Knowledge Base article:ĩ69886 When you try to start Games for Windows, MapPoint, or Streets & Trips products, you are repeatedly prompted (in a loop) to reactivate the product Unless you activate the product, Flight Simulator X stays at trial-level features for 30 minutes. This issue occurs because the trial time is over. Please activate Flight Simulator to continue playing. Thank you for trying Microsoft Flight Simulator X.
After you play Microsoft Flight Simulator X for 30 minutes, you receive the following activation message: