No but if you do and then go to the Mountain Dew website, you get a free pet.
Yes, to play Cataclysm you must have WotLK, like to play WotLK you need TBC.
No. You still need to pay to play.
Well, it's all about the account. If your account is upgraded with the code for WOTLK, then you NEED to play on a PC with the version having installed WOTLK. Although, you can play a TBC/Vanilla(Classic) account on a WOTLK upgraded version of WoW. Yes sir eee!
To install and play a wotlk server all you need is WoW + TBC + WotLK installed Find the server you wanna play and patch to their version Go to your WoW folder and find your realmlist in /data/enUS (file named realmlist.wtf) Replace the blizzard realm login to the IP of the realm you wanna play (you can get that from the server's page) Here's a link to good private server with a detailed guide: http://www.wowpk.org/wowpk-information/4-setting-up-wowpk-private-wotlk-server.html
You can't play Wotlk Beta retail, but you can search in Internet and download wotlk beta . Plus if you get lucky you would find a beta private server to play on.
You MUST convert your account to battle.net. It is required to play world of warcraft. There is NO way around it. Go to the Battle.net site linked in the related links section and follow the instructions. It is quick and easy for anyone who can follow simple directions.
simply have some internet connection and play on battlenet.
You can play Starcraft Broodwar online on Battle.net.
you register it so you can play online.
Yes, you have to register with a username. You also need a password. And you need an email address.
starcraft 1 or 2 1 you can just click on icon but battlenet wont work 2 is like above only battlenet will work
You must register your account to play Minecraft, however, anyone can download Minecraft.