I would only ask for you to be a little more specific. If you have just upgraded, your files are still there, they have just changed locations. See Link below.
The file locations have changed. Birdy explains here.
If you've updated LW and can't find your downloads!
Now about your Pro subscription. What Exactly Happened?? If your waiting on a responce from LW, then you may wait an eternity. Please post back with more details, i.e. When and Where you bought Pro.....