So basically i re downloaded the game after a few months and now i try to login but i cant.
everytime i login it's just show connecting and after that i get the "Unable to connect. Please try again later. If the problem persists, please contact technical support at (the official blizzard link)"
Follow these steps:
1) Restart your PC
2) close your Torrent client and move your WoW folder away from your Torrent's download destination
3) now right click on WoW folder> Properties> remove "read-only"