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Office System Requirements - Office.com - Microsoft Home Page ...
Computer and processor 1 gigahertz (GHz) or faster x86- or x64-bit processor with SSE2. Memory 1 GB RAM (32-bit);2 GB RAM (64-bit) recommended for graphics features ...
Upgrading to Office 2013 or Office 365
Provides information about upgrading to Office Home & Student 2013, Office Home & Business 2013, Office Professional 2013 or Office 365 Home Premium.