Cumulative Update 31 includes all application and platform hotfixes and regulatory features that have been released for Microsoft Dynamics NAV 2015.
You can download the cumulative update from KB 4021394 – Cumulative Update 31 for Microsoft Dynamics NAV 2015.
Or you can download the cumulative update from the Microsoft Download Center.
For a list of all cumulative updates for this version, see Released Cumulative Updates for Microsoft Dynamics NAV 2015.
Figure 1 – picture from msdynamics.es
Yes! We have more cumulative updates for Microsoft Dynamics NAV 2015. This update was released on September 2, 2016 as announced in the NAV team blog at https://blogs.msdn.microsoft.com/nav/2016/09/02/cumulative-update-23-for-microsoft-dynamics-nav-2015-has-been-released/.
You can find this update at KB 3188239 – Cumulative Update 23 for Microsoft Dynamics NAV 2015 (Build 46765).
There is a very important note on the blog. It says:
Note: You must convert the database if you are upgrading to this cumulative update from a cumulative update earlier than Cumulative Update 9 (build 41779). For more information, see Converting a Database in Help for Microsoft Dynamics NAV.
Good luck with your update!
A blog posting from the Microsoft Dynamics NAV team says that Dynamics NAV 2016 will be Windows 10 compatible upon release. The team is currently working on compatibility on Dynamics NAV 2013, all releases, and NAV 2015.
See their announcement at https://community.dynamics.com/nav/b/navteam/archive/2015/08/20/windows-10-and-dynamics-nav.