First, you may have to call the number or visit the website on the back of your pre-paid card and associate the card with a billing address. Once you do that, you should be able to add the card to your payment account through the in-game store. From there, you can enroll in a VIP subscription plan. If you still have trouble, game time cards can be purchased from the LOTRO Market, which uses a slightly different billing system and tends to be more friendly with pre-paid cards. Hope that helps!
I do try to respond to PMs, but if you need immediate assistance please refer to the links below!
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