Introduction
You can upgrade to Microsoft Dynamics NAV 2013 R2 from the SP1 or the R2 version of Microsoft Dynamics NAV 2009.
If your current version is not the SP1 or the R2 version of Microsoft Dynamics NAV 2009, you must upgrade to the R2 version of Microsoft Dynamics NAV 2009, and then upgrade again from the R2 version of Microsoft Dynamics NAV 2009 to Microsoft Dynamics NAV 2013 R2.
Requirements
For complete system requirements for Microsoft Dynamics NAV 2013 R2, see System Requirements for Microsoft Dynamics NAV 2013 R2. In particular, note the following:
Microsoft Dynamics NAV Server now requires a 64-bit operating system.
Microsoft Dynamics NAV 2013 R2 now requires a 64-bit version of SQL Server.
What's New in Microsoft Dynamics NAV 2013 R2
For details about features that are new in Microsoft Dynamics NAV 2013 R2, in addition to information about features that are no longer available, see the following topics:
What's New: Developer and IT Pro Changes for Microsoft Dynamics NAV 2013 R2
What's New: Application Changes for Microsoft Dynamics NAV 2013