Menus appear below the title bar. The majority of SketchUp tools, commands, and settings are available within these menus. The menus that appear by default are: SketchUp (Mac OS X-only), File, Edit, View, Camera, Draw, Tools, Window, and Help.
NOTICE: SketchUp 2015 is here! When you look at this Knowledge Center article, be sure to pick "SketchUp 2015" from the red box above to see the 2015 version of that content. If there is no version picker, this content applies to all versions of SketchUp.