Where to find Cumulative Update 05
You can download the cumulative update from KB 4018437 – Cumulative Update 5 for Microsoft Dynamics NAV 2017.
You can press one of the countries in list above for a direct download or you can download the cumulative update from the Microsoft Download Center.
To learn more about other Cumulative Updates already released for Microsoft Dynamics NAV 2017 please see KB 3210255.
For information about how to install the cumulative update, see How to Install a Microsoft Dynamics NAV 2017 Cumulative Update.