Ahmad, The answer for your question is in the Cadence's web Site : http://www.cadence.com/ -> Sup****t Tab -> Computing Platform Sup****t The following links to this page may help you : 1. Cadence Platform Sup****t Roadmap : http://www.cadence.com/sup****t/computing/Cadence_Platform_Sup****t_Plan.pdf 2. Sup****ted Platform Matrix for Cadence Applications http://www.cadence.com/sup****t/computing/sup****t_platform.aspx Riad.