Log into Refworks. Find out what version of Word you have, and whether it is 32-bit or 64-bit. Download the correct Write-n-Cite version according to Word. Remember to have Word closed as you download and install Write-n-Cite.
![](https://s3.amazonaws.com/libapps/accounts/24501/images/write-n-cite.jpg)
Additionally, look at the Write-N-Cite 4 Installation Troubleshooting from RefWorks.