Hi I want to patch SharePoint 2013 with latest cumulative updates when i try to download September 11, 2018, cumulative update for SharePoint Enterprise Server 2013 (KB4092476) I found below 3 files which files required to download and install
You need all three files and should be placed in same folder.
"Because of the file size, the SharePoint Server 2013 package has been divided into several separate downloads. One contains the executable file, while the others contain the CAB file. All are necessary and must be placed in the same folder to successfully install the update."