The EndNote Online guide contains information and instructions for users of the online version of EndNote. To summarise a few key points:
The EndNote Desktop guide contains information for users of the the desktop version of EndNote. EndNote Desktop is generally more suitable than EndNote Online for research postgraduates and staff. You need to use this version if you need to merge references from multiple documents. EndNote Desktop is an advanced piece of software that offers greater functionality than EndNote Online but it takes longer to master.
Two options for accessing EndNote Desktop