Software Type : Office Number of Users allowed : 1 PC Number of Years validity : Life Time System Requirements-Os Required : Windows 7 or later, Windows Server 2008 R2, or Windows Server 2012 Hardware Requirements : 1 GHz or faster x 86 - or x 64 - bit processor with SSE2; 1 GB RAM (32 bit), 2 GB RAM (64 bit); 3.0 GB available disk space Weight : 300 g