The Downloads tab on EndNote Online offers you 3 options:
You are given a number of options on where to install your Cite While You Write tool for Microsoft Word.
When you have downloaded the EndNote plug-in and opened up Microsoft Word, you may see the new EndNote tab on your Word toolbar labelled EndNote 20. This refers to the EndNote desktop. It is straightforward to link your Word documents to EndNote Online.
In Internet Explorer, the Capture button should automatically display in your browser’s toolbar after you have downloaded the Internet Explorer plug-in.
If using Chrome, Firefox or Safari:
See 'Adding in References' for further instructions on capturing reference information from websites.