as long as you have the registration code then you can install as many times as you like as long as its on your own computer. If you install on other machines i.e. for friends then you break the contracted agreements.
There is no need to buy Microsoft Flight Simulator X: Deluxe Edition as Microsoft Flight Simulator X: Acceleration contains everything from Microsoft Flight Simulator X: Deluxe Edition and more.
You can install Microsoft Flight Simulator X: Deluxe Edition up to two times, after that the product key won't work.
Yes you will
Microsoft Flight Simulator X: 18 Microsoft Flight Simulator X: Deluxe Edition: 22 Microsoft Flight Simulator X: Acceleration (add-on): 25 Microsoft Flight Simulator X: Gold Edition: 25
Yes and no, there are aircraft carriers in Microsoft Flight Simulator X: Acceleration (add-on) and Microsoft Flight Simulator X: Gold Edition.
Thats correct
You cannot increase the trial time of the Microsoft Flight Simulator X demo.
There is no one key, every box of Microsoft Flight Simulator X Acceleration has a different product key. You need to buy Microsoft Flight Simulator X Acceleration for the product key. If you have bought Microsoft Flight Simulator X Aceleration and no product key was included, contact where you bought it from.
No, Microsoft Flight Simulator 2004 add-on aircraft cannot be transferred to Microsoft Flight Simulator X.
No, you cannot use the add-ons for Microsoft Flight Simulator 98 in Microsoft Flight Simulator X.
Flight Simulator X is by Microsoft, the full name is Microsoft Flight Simulator X.
Microsoft Flight Simulator was created in 1982.