1. Open EndNote.
2. Click the EndNote X7 icon in the upper left corner.
3. Check for updates, download the update.
4. Open Word,choose Help and Search for updates, download update if any is available.
5. Close EndNote and Word and restart your computer.
6. Open EndNote and then Word. If the update was successful you will see EndNote X7 in the Word toolbar.
If this doesn't work:
- Consider (re)installing MS Word 2011
- Consider using Pages
- Consider trying another reference manager
- Follow the official EndNote web page for updates.