Install Maven Eclipse Plugin
Maven Plugin for Eclipse - http://m2eclipse.codehaus.org/
Startup eclipse
Select Help -> Software Updates
Select Available Software, click Next
Click Add Site
Enter http://m2eclipse.sonatype.org/sites/m2e for the URL
Click Finish
Expand the Maven Integration for Eclipse update site
Check the Maven Integration box and click Next
Ignore the optional parts unless you have a need for them
Accept terms, click Next, click Finish, click Install All
Restart the workbench when asked