This section describes how to upgrade from Microsoft Dynamics NAV 2013 or Microsoft Dynamics NAV 2013 R2 to Microsoft Dynamics NAV 2015. If you have an earlier version, such as Microsoft Dynamics NAV 2009 R2, Microsoft Dynamics NAV 5.0 or Microsoft Dynamics NAV 4.0, you must first upgrade that version to Microsoft Dynamics NAV 2013. For more information, see Upgrading to Microsoft Dynamics NAV 2013 in the MSDN Library.
To upgrade to Microsoft Dynamics NAV 2015, you must complete the following main steps:
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Convert the database.
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Upgrade the code.
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Upgrade the data.