Learning Center (FSX)
The Learning Center contains a wealth of information on all aspects of operating the simulator.
You can acccess the Learning Center from the GUI within FSX, <r> or at any time using your internet browser, (without launching FSX).
HowTo
Find lc01.htm
Using Explorer (file manager), navigate to the FSX root folder.
In there you'll find a folder named Uires
Containing a file called lc01.htm
Default location is -
C:\Program Files\Microsoft Games\Microsoft Flight Simulator X\Uires\lc01.htm
Create a shortcut
Right-click on lc01.htm
Left-click on Create Shortcut
Rename the shortcut to Learning Center.
Copy the shortcut.
Paste it onto your desktop.
Open the Learning Center
Double click the shortcut, the Learning Center will now open in your internet browser.
You can view all the content at your leisure.
N.B.
Depending on your browser security settings, you may be prompted with an alert.
Just "Allow blocked content".