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.

Download from following link

Microsoft 365 Business Central :- Business Central CU01

How to install a Microsoft Dynamics 365 Business Central cumulative update.

You need to get your license refreshed / downloaded from the customer source or your partner can help you in license, this might be required if any new objects / new features are introduced.