there are many sites that have free downloads for many of the aircraft types
You can get more aircraft in Microsoft Flight Simulator X by buying/downloading expansion packs or by buying/downloading specific aircraft.
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.
turn up the air traffic and ground traffic in settings on fsx. Not the more you have the more cpu use the programme demands
go to simviation.com
There has been upgrades to navaids, more missions and improvements to tutorials. Added are some additional aircraft I.e. a321
SHIFT+E opens the main exit of the aircraft.
In the default 737 747 the cabin pressures are determined by the config file. In some of the add on 3rd party packages which are paid for the is more functionality
Flight simulator X - all other are addons with more craft - you cannot if its a boxed version run the other addon packs with out the base version installed
Microsoft Flight Simulator X says not enough memory because you don't have enough memory available. If you have other programs open, close them. If you don't you need to upgrade to more memory, buy another computer with more memory, or you can't play Microsoft Flight Simulator X.
Yes, some of the missions can be difficult. They start off easy, then progress to more difficult.
A simulator gives you the feel of the actual aircraft, but it won't be the real thing. For example, a simulator will contain all controls which an actual aircraft does, but it will have a display running some video and you have to move controls accordingly. If you crash in simulator you get one more chance to make a new start. Real aircraft is a real thing. You crash, you are dead (Maybe along with some more guys and burning up millions of dollars).
With over a million users of the flight sim brand and more coming on board since Steam (Dove) where issued licence by Microsoft