Hello JohnBurns. Just to know, which kind of payment you have chosen?
After that you will receive automatically an email with the code to use.
1) Download the latest version of XW
2) Press "Update to pro"
3) Fill the fields with your personal email and code and restart XW
4) Then you can have access to all the widgets through the online gallery (click on the "More Widgets..."
from the icon tray)
The old widgets that you had installed they will work equallly. You can still find many free external widgets from here or DeviantArt
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...and remember: don't take life too seriously...My profile on Deviantart:
http://jimking.deviantart.com/