help me, the game did not open

I downloaded the client mist of pandaria, 5.4.8 via torrent, but clicking on wow.exe, the game did not open and the following message appears, Date // wow-update-base-18273.MPQ: World of Warcraft can ' t make a required change to an archive file. Be sure to have permission for the World of Warcraft folder or try running the game in administrator mode. For more information, see: https://battle.net/support/article/6910
, how can I solve this?

Follow these steps:
1) Restart your PC ( this is important)
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".