Computer and Processor 1 GHz or faster x86 or 64-bit processor with SSE2 instruction set Memory 1 GB RAM (32-bit); 2 GB RAM (64-bit) recommended for graphics features, Outlook Instant Search, and certain advanced functionality Hard Disk 3.0 GB available disk space? Graphics Graphics hardware acceleration requires a DirectX 10 graphics card Display 1366 x 768 or higher resolution monitor Operating System Windows 7, Windows 8, Windows Server 2008 R2 with .NET 3.5 or later Additional Requirements Microsoft Internet Explorer 8, 9, or 10; Mozilla Firefox 10.x or a later version; Apple Safari 5; or Google Chrome 17.x. A touch-enabled device is required to use any multi-touch functionality. However, 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 features require Exchange 2013 or Lync 2013Speech recognition functionality requires a close-talk microphone and audio output device.Information Rights Management features require access to a Windows 2003 Server with SP1 or later running Windows Rights Management Services.Dynamic Calendars require server connectivity. Microsoft and Skype accounts.