Azeroth has existed since the original classic wow gold: Orcs and Humans launched in 1994 and the subsequent Warcraft two games further built on the story and lore. Warcraft 3 has been probably the most popular of these ancient games and introduced us to many of the characters that goes on to play large roles in World of Warcraft, such as Sylvanas Windrunner, Jaina Proudmore, and Arthas Menethil, among others.
So when World of Warcraft launched in 2004, each the lore, history, and locations that had been laid out in the earlier Warcraft games were brought to life in Blizzard's vast MMO.
If you have only got a few hours a week to devote to a MMO, Classic may not be the match for you personally and you might be better off considering modern Warcraft to fill this Azeroth-shaped hole. That being said, if you're not particularly concerned with endgame content such as raiding or max-level dungeons and only wish to explore Azeroth as it had been in 2006 then by all means, continue. But if you want to enjoy everything that Classic offers, then you should be ready to devote a great deal of time not only levelling your character however finishing various Attunement quests and grinding reputation to access a few of those late-game instances.
World of Warcraft Classic does not have these quality-of-life improvements that you may be accustomed to in contemporary Warcraft - or indeed many other current MMOs. For starters, the climbing of enemies is a lot less pliable and you may end up becoming quickly overwhelmed it you take on more than two enemies at once without preparation. Travelling from 1 spot to cheap wow gold classic another in Classic Azeroth can be far more time consuming - flight points are not as plentiful as they are nowadays and with in-game gold less easily come by, you can find yourself struggling to save up to even purchase your initial Riding Skill and mount.