I have the 747-400 Queen of the Sky already installed.I just purchased the 737NG 600/700, and it says that it should be installed before the 747.Do I have to uninstall the 747 first ???And then Install the 737, and then reinstall the 747 ????If I have to uninstall the 747, is there a uninstalling tool available ????RegardsGilles Dubois

Gilles,Removal of the 747 is done through the 'Add or Remove Programs' in the 'Control Panel'.For your other question:http://ops.precisionmanuals.com/wiki/PMDG_...7-400.2F400F.3FHope it helps,