A Software Update is an incremental update of the Mac OS and its applications, Security Updates, device drivers, and firmware updates.
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.
In order to reinstall drivers and files for the latest OS X build, you can download a Combo Update.
You can find the latest Combo Update for your operating system located on Apple's Support Download page.
We have previously advised you to not compulsively update your drivers – most hardware drivers that come with your computer or through Windows Update are fine.
However, graphics drivers for your NVIDIA, AMD, or even Intel graphics hardware are a big exception.
See Apple's OS X: Updating OS X and Mac App Store app page for Software Update instructions.
See my List of Free Driver Updater Tools for reviews of the best ones out there.There’s more chance of breaking something than anything else, so if everything on your PC is working just fine, you can skip the driver updates for the most part.There’s a notable exception to this rule, of course.Drivers may also be available for free directly from manufacturers' websites. Driver Update and Slim Cleaner Plus are trademarks of Slimware Utilities Holdings, Inc., an award-winning software company.Microsoft and Windows are either registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries.A graphics driver is the software that allow your operating system and programs to use your computer’s graphics hardware.If you play PC games, you should keep your computer’s graphics drivers updated to get the best performance out of your hardware.Updating System Drivers makes your computer run better.It prevents device errors and can even lend quicker repairs to future problems.Just like computer programs have updates and service packs to fix bugs and add features, drivers do as well.If you’ve got a problem with a device, you should think about upgrading the drivers.