Blizzard titles require version 10.10 or newer to run properly.
Follow the instructions in Apple's How to Upgrade guide, to update your Mac to the most recent version of Mac OS.
If you play PC games, you should keep your computer’s graphics drivers updated to get the best performance out of your hardware.
In the “System Information” window, on the left side, drill down to the “Display” category.
On the right, look for your graphics adapter model in the “Adapter Type” or “Adapter Description” entries.
Most hardware drivers that come with your computer—or through Windows Update—are fine.
However, we do make an exception for graphics drivers for your NVIDIA, AMD, or even Intel graphics hardware.
World of Warcraft Supported Video Cards This page details the video cards and drivers that are supported for use with World of Warcraft.
BLZBNTAGT000009D2 The Blizzard Agent detected that one or more system components do not meet system requirements.
For Blizzard games, it is important to download and install all software updates, as our games are designed for the latest version of the supported system requirements.
See Apple's OS X: Updating OS X and Mac App Store app During technical troubleshooting, you may be required to reinstall an OS update or driver.
After the updates have been installed, check if there are additional Windows Updates available.
A Software Update is an incremental update of the Mac OS and its applications, Security Updates, device drivers, and firmware updates.
Experienced users can download and install the latest motherboard chipset drivers to help resolve rare issues caused by outdated motherboard chipset drivers.