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
You can change how the fields are displayed in your EndNote library to emphasise the fields that are important to you. This can be useful if your library becomes very large.
To change the fields you can also drag and drop the headings to the place you want them to be