OS X El Capitan, the latest version of the Mac operating system, builds on the groundbreaking features and beautiful design introduced in OS X Yosemite, refining the experience and improving performance in lots of ways that you’ll enjoy everyday.
What's New In This Version:
The OS X El Capitan 10.11.2 update improves the stability, compatibility, and security of your Mac.
• Improves Wi-Fi reliability
• Improves the reliability of Handoff and AirDrop
• Fixes an issue that may cause Bluetooth devices to disconnect
• Fixes an issue that prevented Mail from deleting messages in an offline Exchange account
• Fixes an issue that prevented importing photos from an iPhone to a Mac using a USB cable
• Improves iCloud Photo Sharing for Live Photos
You can download OS X El Capitan from the App Store for free.