Streamlined apps
Operating System Macbook Pro Download Software
These are instructions on how to update the operating system of your Mac to the latest version of OS X. If you aren't already on OS X 10.9 Mavericks you can upgrade for free by visiting this link. Apple has made its latest Mac operating system, OS X Mavericks, available to download free from the Mac App Store. The announcement was made alongside a number of product launches.
From full-height sidebars to refreshed toolbars, a clean new app design makes sure your content is always front and center.
MacBook Pro (Retina, 15-inch, Late 2013) - Technical Specifications Display Retina display: 15.4-inch (diagonal) LED-backlit display with IPS technology; 2880-by-1800 resolution at 220 pixels per inch with support for millions of colors. 
Macbook Pro Os Free Download
Refreshed Dock
Macbook air download speed very slow speeds. A sleek design update makes getting to your favorite apps even easier. And a new uniform shape for app icons adds consistency while letting the personality of Mac shine through.
Control Center for Mac
Instantly access the controls you use most — like Wi-Fi and Bluetooth — and new controls to play music and enable Dark Mode for your display. Designed just for Mac, the new Control Center lets you add controls and drag favorites to the menu bar to customize it just for you.
Notification Center
A new design combines notifications and widgets in a single view for more information at a glance. Notifications are now grouped by app, and many are interactive — letting you do things like play new podcast episodes or learn more about Calendar invitations. And redesigned widgets come in three different sizes, so you can create the best view for you.