SYSTEM REQUIREMENTS The install process checks that your system meets the minimum requirements; if they are not met, Dragon NaturallySpeaking will not be installed. o CPU: minimum 1 GHz Intel® Pentium® or equivalent AMD processor or 1.66 GHz Intel® Atom® processor.We recommend 1.8 GHz Intel Dual Core™ or equivalent AMD processor. (IMPORTANT: SSE2 instruction set required). Processor Cache: minimum 512 KB. We recommend 2 MB. o Free hard disk space: 2.5 GB o Supported Operating Systems: Microsoft Windows 7, 32-bit and 64-bit. Microsoft Windows Vista SP1 and SP2, 32-bit and 64-bit. Microsoft Windows XP SP2 and SP3, 32-bit only. Windows Server 2003 and 2008, SP1, SP2 and R2, 32-bit and 64-bit.