First make a folder called 'FS Recorder for FSX'
put everything that came with the zip in this folder.
Then move the folder to C:/program files/
Then go to where your FSX.cfg is located (not sure for Vista)
there should be a file there called dll.xml
open this file with notepad.
Look to see if it has this entry:
FS Recorder Module
False
False
C:\Program Files\FS Recorder for FSX\RecorderFSX.dll
if not, add it.
Next start FSX and press alt to bring up the menu bar
it should now be under the addons tab.
Hope this helped. ;)