At Convergence EMEA last week, Microsoft announced the release of CRM 2016 – “Available both as CRM Online and on-premises in 130 markets and 44 languages, Dynamics CRM 2016 is focused on empowering employees to deliver the optimal experiences to customers, as well as engaging customers across all channels.”
If you are searching for the download in MSDN on Partnersource, and not finding anything, don't worry – it’ll be up there in about a week. The 2016 online trials are meanwhile being rolled out by regions.
You can prepare yourself by reviewing the updated documentation on what’s new in CRM 2016
This is a major release for on-premise customers who did not get the CRM 2015 online features, so if you are upgrading from on-premise check out those features as well (CRM Online 2015 Update 1 features now apply to CRM 2016 (on-premises)