1. Click "Campaigns" on the Admin Dashboard
2. Under "Manage Marketing Tools", click "Add Social Share Widget"
3. Click the link saying "Set Up Sign up Widget Now" at the top of the page
4. In next page, first select the referral program and click on "Customize". You can click "Design Email module" or "Design Share Module" and configure it accordingly and press "Save" to continue
5. Last step, click on "Get Code Now" which will show you two snippet of codes. First Code you need to add at the page you wanted the widget. 2nd Code will help controlling the widget, could be in HTML page etc.
6: Now second part of the widget is "Design Share Module" which will allow you to customize Social Share Modules like "Email,Facebook, Twitter, LinkedIn".
Note : You can also white list websites/domains through this. which will help your widget just on specific sites.