1. Learn more about SharePoint Server 2013 features and capabilties through immersive training at http://technet.microsoft.com/sharepoint/fp123606.
  2. Download and install SharePoint Server 2013 at http://technet.microsoft.com/en-US/evalcenter/hh973397.aspx?wt.mc_id=TEC_121_1_4.
  3. Get help, guidance, and interact with the community at http://social.msdn.microsoft.com/Forums/en-US/sharepointitpropreview/threads.
  4. Stay up to date on SharePoint Server 2013 at http://technet.microsoft.com/sharepoint.