The Library provides some modified and additional Filters, Connection, and Styles files.
Note that any zipped files need to be 'unzipped' i.e. right-click and choose the extract command. Copy these files to your EndNote file folder location.
If you just need the APA 7th style, note that this is not 'zipped'. Just save it into your styles folder.
C:/Progam Files (x86)/EndNote X9/Styles