(Just so you know, STS comes with this plugin already, whew!)
Select Java project, right click, maven->Enable Dependency Management.
Or you could New->Maven->Maven POM File
To create a new Maven project
New->Maven->Maven Project
You could choose which archetype you want to generate, there a lot of them!!!!
You could also run maven command in Eclipse, by using Run as, Maven Build, you could specify your goal.
