Windows
Computer and processor: 1 gigahertz (GHz) or faster x86-bit or x64-bit processor with SSE2
Memory: 1 GB RAM (32-bit); 2 GB RAM (64-bit)
Hard disk: 3.0 GB available disk space
Display: 1366 x 768 screen resolution
Graphics: Graphics hardware acceleration requires a DirectX 10 graphics card.
Operating system: Windows 7, Windows 8, Windows Server 2008 R2, or Windows Server 2012
Browser: Supported browsers for Office 2013 and Office 365 (includes browser requirements for using Apps for Office and Word video playback)
Other: Internet functionality requires an Internet connection. Fees may apply.
Multi-touch features require a touch-enabled device. All features and functionality are always available by using a keyboard, mouse, or other standard or accessible input device. New touch features are optimized for use with Windows 8.
Certain online functionality requires a Microsoft account.
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.