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World of Warcraft patch 4.3.3 64-bit client


Blizzard has released new 64-bit clients for patch 4.3.3 today. Keep in mind that you need to remove the previous 64-bit client files before patching. After that's done, you can install these files:

Windows patch 4.3.3 64-bit client download link
Mac patch 4.3.3 64-bit client download link

As a reminder, the 64-bit client is also considered a beta product, even though you can use it on the live realms. But with that said, most people experience only good things and no real problems with the 64-bit version of WoW. But if you do run into problems, be sure to let Blizzard know about them.

If you have no idea what any of this means, take a look at our brief explainer of the difference between 32- and 64-bit game clients.

The full Blizzard post after the break.

A 64-bit client is once again available for use with Patch 4.3.2. Before being able to launch WoW in 64-bit mode you will need to download the 64-bit client for PC/Mac (using one of the links below), and unzip it into your World of Warcraft directory. Once you extract the files you can start the 64-bit client by opening the Launcher as normal (Run as Administrator if applicable). To switch back to the 32-bit client, go into Options -> Game Preferences, and check the Launch 32-bit client setting. The game will display which version you are using at the bottom left hand corner of the login screen. ex: Version 4.3.3 (15354) (Release x64)

Build - Windows - Mac

**Important things to keep in mind**
  • The 64-bit client is being distributed separately from the Retail version as it is not yet supported for use with World of Warcraft.
  • Launching the game in 64-bit mode can only be done after patching the game to version 4.3.2, downloading and extracting the necessary files.
  • The game's built in voice chat does not currently work when using the 64-bit client.
  • [Mac] The 64-bit Mac client does not currently support the in-game movie recording functionality.
  • [Mac] The 64-bit Mac client iTunes' Remote feature does not work at the present time.
  • [Mac] The 64-bit Mac client does not currently support the customized LCD display for the Logitech G15 series of keyboards.
  • [Mac] The 64-bit Mac client is currently not supported on 10.5 systems. You will need 10.6.8 or later for this version.
Additional System Requirements:

Windows XP Professional "x64 Edition" / 64-bit Windows Vista / 64-bit Windows 7 (latest service packs).Mac OS 10.6.8 or newer.Mac Computer with Core 2 Duo or better2 GB or more of RAM.

If you encounter any issues while using the 64-bit version, please report your findings in this thread and return to using the 32-bit executable. In order to facilitate support when contacting Technical Support, please inform them if you are using the 64 bit client.

To remove the 64-bit client completely, delete the following files from your World of Warcraft folder:


World of

Additional Information:

How to tell if you have a 64-bit operating system:

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