Microsoft Dynamics 365 Sales Hub (CRM) now available to purchase online Use below link & register for 30 day free trail https://dynamics.microsoft.com/en-ie/sales/overview/
Cumulative Update 11 for Microsoft Dynamics 365 Business Central on-premises
September 2019 release Download Link :- https://www.microsoft.com/en-us/download/details.aspx?id=100189