Cumulative Update 01 for Microsoft Dynamics 365 business central on-premises released
Download from following link
Microsoft 365 Business Central :- Business Central CU01
This cumulative update includes all hotfixes and regulatory features that have been released for Microsoft Dynamics 365 Business Central, including hotfixes and regulatory features that were released in previous cumulative updates.
This cumulative update replaces previously released cumulative updates. You should always install the latest cumulative update.
Ammolh Saallvi Blog 