Computer and processor - 1Ghz or faster x86- or x64-bit processor with SSE2 instruction set Memory (RAM - 1 gigabyte (GB) RAM for 32 bit; 2 gigabytes (GB) RAM for 64 bit Hard Disk - 3.0 gigabytes (GB) available Display - Graphics hardware acceleration requires a DirectX10 graphics card and 1024 x 576 resolution Operating System - Windows 7, Windows 8, Windows Server 2008 R2, or Windows Server 2012 Browser - Microsoft Internet Explorer 8, 9, or 10; Mozilla Firefox 10.x or a later version; Apple Safari 5; or Google Chrome 17.x. .NET version - 3.5, 4.0, or 4.5 Multi-touch - 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. Note that new touch features are optimized for use with Windows 8.