Many people are asking ow to emulate the 3 button mouse- you have to adjust it to be able to do so. Open Blender-File Menu...

Many people are asking ow to emulate the 3 button mouse- you have to adjust it to be able to do so. Open Blender-File Menu-User Preferences-Input tab-look for emulate 3-button mouse.
  • piggies replied
    You also have to remember to click that save button on the bottom of the settings page.