Minimum System Requirements

Operating System (OS)
Windows  7, Windows 8
Macintosh, Lion (10.7), Mountain Lion (10.8), OS X Mavericks

Browser
Chrome (recommended - versions always updated automatically by Google)
Internet Explorer version 9 and up
Safari (on Mac only) version 6 and up
Firefox version 26 and up

Mobile
iOS: supported
Android and other mobile OS: Web-optimized but not specifically supported