Maven configuration can be changed from Workbench preferences at Window / Preferences... / Maven.
There you can specify defaults for downloading source and JavaDoc bundles, updating repository indexes and goals to invoke on Maven project import and when updating Eclipse project configuration.
"Installations" preference page provides configuration for Maven installation used to launch Maven (Run As... / Maven build), as well as location of Maven's settings.xml.
The checked installation will be used to launch Maven by default. and it also points to the location of the global Maven's settings.xml."
 | The Embedded runtime is always used for dependency resolution, but can't use global settings when it is used to launch Maven. |
Maven Archetype catalogs available in New Maven Project wizard can be configured on "Archetypes" preference page:
