please hit up the people on the Elysium discord: https://discord.gg/rY6CFK
People there should be able to help with your questions.
Vanilla WoW like any other mmorpg of its time and will need you complete quest and explore on your own to level up, max lvl is 60 and only in the upper 50s will you need to worry about your gear there are dungeons you can do with 4 other people to get good gear and at lvl 60 you will need complete a quest line to get into the end game raids. There is quest helper add-on you can install to help you locate available quest, ask in the discord for the exact add-on.
classes you may like:
-warlock who is a spell caster who uses demonic powers to burn and curse people and summon demons to do your bidding
-hunter is you bow user who is the only physical ranged damage who has a pet that'll fight with you. (pets are tamed from the wild and must be a beast type npc)
-rogue who is the assassin and uses dagger and poisons and can go into stealth to sneak up on people. Pickpocket npcs and pick locks of chests
side notes:
-classes in vanilla wow: warlock, hunter, rogue, warrior, paladin, druid, mage, priest, shaman
-from easier to hardest to learn: hunter->rogue->warlock
-from coolest to lamest: warlock->rogue->hunter
-People find that playing on the Alliance faction is easier because all the questing zones are so close to each other.
