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 CU02
Windows 10 , Windows 8.1, Windows Server 2012 Essentials, Windows Server 2012 R2 Essentials , Windows Server 2012 R2 Standard , Windows Server 2012 Standard.
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.
You can find more details of what has been fixed in this CU here.