Addit! Pro For Flight Simulator X
Is Addit! Pro compatible with Dovetail Games Flight Simulator X: Steam Edition?
Yes, Addit! Pro is compatible with Flight Simulator X: Steam Edition from Dovetail Games.
Addit! Pro V7.5.1+ supports "co-existence" mode where FSX: SE is installed in parallel with Microsoft Flight Simulator X. Here, FSX:SE uses special application and data folders suffixed with "FSX-SE".