Browser: Microsoft Internet Explorer 8, 9, or 10; Mozilla Firefox 10.x or a later version; Apple Safari 5; or Google Chrome 17.x
Internet functionality requires an Internet connection
Certain features require a Skype account
Product functionality and graphics may vary based on your system configuration. Some features may require additional or advanced hardware or server connectivity; www.office.com/products.
Multi-touch features require Windows 7 and a touch-enabled device