To create a new Save & Share an Address button, you need to click on Installation, scroll down to the "Install Save & Share" section, select Add, and select Save & Share an Address.

On the next screen under the "Configuration" section on the left you have options for your button to assign a name, enable feature, info to share to clients, and GPS coordinates.

Under the "Personalization" section on the left you have further options to assign a different image to your button and more advanced options regarding a dialog box, a personal message, supported languages, and integration with Google Analytics.