You can play World of Warcraft free up to Level 20, but after that you’ll pay up for a subscription. How do you pay? You can make a payment online in your Battle.net Account Management area using:
- A credit card — Visa, MasterCard, American Express and Discover are all accepted
- PayPal — Once logged in, you’ll see PayPal as a payment option.
If you have a problem making a payment, you can contact customer service.