In our workshops we are using the current version EndNote X7.
The Fritz Haber Institute has a license agreement to offer you the software and updates on your computer.
The Webinar of Adept Science (distributor of EndNote) shows on its YouTube-Channel what is new and how to work with the new tools.
What’s new in EndNote X7: http://www.youtube.com/watch?v=Q05veGdcl40
Introducing EndNote X7: http://www.youtube.com/watch?v=IPcSxuwNfh0

A very interesting channel on YouTube is EndNote Training. Here you can find a step-by-step training that shows you how to work with EndNote.
http://www.youtube.com/user/EndNoteTraining

The web version of EndNote, EndNote Basic, is a useful addition for mobile and/or collaborative working. It is available online, anywhere and free of charge. You can store up to 50,000 references; use the 20 most popular bibliographic styles, 2GB of files storage, online search of the 5 most popular databases and the webpage reference capture.

An Introduction to EndNote Web: http://www.youtube.com/watch?v=j26ZgbNngkM
EndNote Basic: https://www.myendnoteweb.com/EndNoteWeb.html