Yes. The patch 4.0.6 → 4.3.4 unlocks one of WoW’s most divisive yet content-packed eras. With “extra speed” download methods, you can go from a clean 4.0.6 client to a fully updated 4.3.4 Dragon Soul-ready installation in under 45 minutes (including patching time).
. If you are dealing with slow download speeds or "throttled" connections, there are several methods to boost your performance and get back into Azeroth faster. 1. Use a Full Client Download (The Safest Route) -Extra speed- wow download patch 4.0.6 to 4.3.4