The only official site for downloading either version of LW is Lime Wire » Download LimeWire

The official site offers Pro ($21.95, free updates & email support for 6 months) or Extended Pro ($34.95, free updates & email support for 12 months).
There's no 'lifetime' access.
It sounds like you were scammed.
Membership? - **WARNING ** BEWARE** - Download p2p Clients ONLY Thru Official Sites

Contact your bank/CC company. They may be able to stop the transaction from going through & will be able to let you know whether you should cancel your card.
get your $$$ BACK!!!(music members)