The free trial involves only Classic World of Warcraft - the next expansion pack in line is The Burning Crusade.
Your 10 days is up? You are using a used copy of Warcraft?
From the official World of Warcraft website.
If you have a trial account in World of Warcraft you are unable to trade with other players in the game.
20 is the highest level achievable.
No.
World of Warcraft trial accounts do use the Cataclysm maps but you would not be able to access them as you can only level up to level 20 in the trial version.
no
Only you can decide if you want to get world of warcraft. It is however advisable that you use a trial account to decide if you want it or not. The trial account is available at the official website below.
You cant get free World of Warcraft forever but you can have a 10-day free trial, but after that its about £10 a month onwards.
Technically, the Warcraft series (Warcraft 1,2,3) are different from World of Warcraft. They are different play styles. The first name World of Warcraft used is World of Warcraft. World of Warcraft is based of the Warcraft franchise, yes, but totally different.
When you purchase World of Warcraft, you automatically receive The Burning Crusade with it as Blizzard recently merged the two. There is no more free trial for Burning Crusade.
The trial account isn't playable after the trial unless you convert it to a paid account.