I find renaming the items showing in my account helps to identify them. The keys are not visible and you would have to contact Customer Service directly to have them sort it out.
See the link under Useful Links at the top of this page. It's free by phone or online chat.
By the way, uninstalling software via Control Panel in the normal manner decrements the account by that machine so always try to do that. I know it's not always possible, i.e. in a system crash etc.