If you Platinum VIP license is not working with the 2013 version, please remember to report your order number, your name or email address so we can find your order and check that everything should be in order.
The fastest way to get it sorted out is to contact our support via:
http://www.macecraft.com/kayako/index.php?/Tickets/Submit
All Platinum VIP licenses, no matter when bought, should work with jv16 PowerTools 2013. If it doesn't, we will issue you a new one.