Fast performance and long battery life are two of the things people love about the Mac. With OS X Mavericks, we wanted to take them even further. So we looked at every level of the operating system, from the foundation up to the apps themselves, for ways to save power while also boosting responsiveness. Here are just a few of the innovations that will make your Mac work smarter, not harder.

OS X Mavericks Wallpaper For Your Desktop.