The new OS X Mavericks has been released from Apple. A first in a while from Apple is that this is major named upgrade is free as Apple used to charge for named upgrades. Apple has added new applications for Maps, iBooks as well as upgrading previous applications Calendar, Safari, Keychain, Multidiplay, Notifications, Finder Tabs, Tags and other Advanced Technologies. Look here for a complete in depth descriptions of what is new. This is a welcomed upgrade to the Mac line of products and increases performance as well fixing several outstanding OS X issues. You can get it by downloading and installing directly from the App Store application installed on current Mac OS machines.