If a reference is not appearing correctly in Word, you may need to edit the reference details in your EndNote library or double check that you are using the right output style. Best Bet for accurately getting citations from article citation databases, like PubMed into EndNote.
Having duplicates in your EndNote library can cause problems, especially when you start to reference your work. In order to qualify for the EndNote 20 Upgrade product, you must currently have a fully licensed previous version of EndNote installed on your computer. Check for duplicate references before writing up.Always save a back-up copy of your EndNote library by selecting File > Save a copy.Use the groups feature to organise your references.This by default will save to your 'Downloads' folder in My Documents. Some browsers will automatically download the EndNote20.zip folder, if you are prompted to confirm the download, ensure to Save File, then select 'OK'. Create one library to keep all your references in the same place. On the EndNote page, scroll down to 'EndNote 20 Download for Windows', and select it.