Of course, you can get information on local points of interest like restaurants and hotels, with phone numbers, photos, and even Yelp reviews. You can look up directions on your Mac and send them right to your iPhone for voice navigation on the way.2 In addition, your bookmarks and recent searches are automatically pushed to all your iOS devices, so you can plan trips on your Mac and have all the locations easily at hand when you’re on the road. And at your fingertips like never before. Now you’ve got the whole world on your desktop. So if you start reading on your iPad, iPhone, or iPod touch, you can pick up right where you left off on your Mac. iCloud even remembers which page you’re on. And when you take notes, highlight passages, or add a bookmark on your Mac, iCloud pushes them to all your devices automatically. If you’re a student hitting the books, keep as many open as you like and search through them with ease. And there are over 2 million more books in the iBooks Store, ready for you to download with just a few clicks.1 Reading books is intuitive and easy - turn pages with a swipe and zoom in on images with a pinch. Now you can launch the iBooks app on your Mac and the books you’ve already downloaded on your iPad, iPhone, or iPod touch will automatically appear in your library. With OS X Mavericks, a new chapter in the iBooks story begins.

Improves the reliability of accessing files located on an SMB server.

Improves the reliability of VPN connections that use USB smart cards for authentication.

It improves the stability, compatibility, and security of your Mac.

The OS X Mavericks 10.9.5 update is recommended for all Mavericks users.

Malwarebytes for mac 10.9