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The latest SharePoint Foundation 2013 updates (if you have only SharePoint Foundation 2013 installed). This update is not necessary if you have SharePoint 2013 Server since SharePoint Foundation 2013 is included in SharePoint 2013 Server To stay up to date and download the latest updates, click here.
The product group released the January 2021 Cumulative Update for the SharePoint 2013 product family. For January 2021 CU we have full server packages (also known as Uber packages) for all products. No other CU is required to fully patch SharePoint. As this is a common question: Yes, January 2021 CU includes all fixes from January 2021 PU.
How to install SharePoint cumulative updates in a…?
To ensure that after the installation, the SharePoint server is kept always updated, we must ensure that both the Windows Updates and specially the SharePoint Cumulative Updates are properly installed. To install the latest SharePoint Cumulative Updates in your farm, follow the following steps: Install the Cumulative Updates in the SharePoint Farm
What’s the difference between SharePoint Server 2016 and 2019?
SharePoint Server 2016 and 2019 have several improvements which enhance the patching experience significantly: These use a simplified packaging model (only 2 different packages compared to 30+ in earlier versions) which reduces the size of the installation packages for our patches and also the installation time significantly.
In contrast SharePoint Server 2016 and 2019 have only two patchable components. To ensure that all patchable components are always on the latest patch level we recommend applying full server packages (also known as Uber packages) rather than individual fixes:
Although it is supported to install only those packages which include the security updates it is recommended to keep SharePoint Server fully updated by installing the latest SharePoint updates regardless of whether they’re security or non-security updates.