1. Click on the Edit button;

edit-page

  1. Mouse hover the Web Part and click on the [+] button to add a new Maps Marker;

    add.marker

  2. Fill out the form that pops up. You can check out what you need to do in each setting in the Marker Location;

  3. After setting everything up, click on Save or Save and Create Another in case you want create more markers with similar configuration. You can also preview the Map on the page before saving it, by clicking on the Preview button.