You can download the game client from the link below. It is the official world of warcraft site.
The World of Warcraft site offers an official download of the base game. However, in order to play the most recent material you will have to buy the four expansion packs that have came out since the base game was released.
There are no trusted sites to sell World of Warcraft accounts. Besides, you are not allowed to sell it. If you no longer wish to play World of Warcraft, then just stop playing.
There are World of Warcraft parental controls that can be used. Check the official site (linked below) to read about them. With parental controls you can modify not just time played per month/week/day, but also when they can play.
You can get the download of Burning Crusade directly from the World of Warcraft Official site. Every piece of world of warcraft is available to download at the site. If you get the game from the store tho you will get a free month or two of the game and of course the packaging.
The minimum system requirements for a PC to play World of Warcraft: Mists of Pandaria are listed on the official Blizzard support site for World of Warcraft. The link is in the related links below.
No, World of Warcraft is not on Steam. If you want to download it, got the the official World of Warcraft site to download it.
Most people will tell you that you should just delete and redownload the game onto your pc. I would say first make sure that you security settings will allow the game. You can look on the official Warcraft site to see what you need to be set to.
To register and account for World of Warcraft, and also to download the official game, go to the official website (listed below). You cannot register an official account on any other site.
The official world of warcraft site has its own section for wow comics.
For guides on World of Warcraft, try the site in the related links below.
ANY place that buys or sells World of Warcraft accounts is not legit. Buying and selling World of Warcraft accounts is against the AuP and ToS that everyone agrees to when they install, patch or upgrade the game. There is no site on the internet that can legitimately sell a World of Warcraft account.