从Wii商店中，购买Wii点数。 通过充值卡充点。

I'm interested in that, but I only have a few mins. Can you give me at most the first 500 characters of a detailed explanation in English about that?
Turn on the Wii and select the Wii Shop Channel. Click Start, then Start Shopping, to open the Shop.  Click on Add Wii Points and then select “Buy Wii Points With a Credit Card”. Select the number of points that you wish to buy. Prices vary depending on how many points you choose. Games typically cost 1000 points or less. Enter your credit card information. The Wii Shop accepts Visa and Mastercard. The Wii points will be added immediately to your account and you can start shopping. Wii Points Ca