Enable or Show the Social Buttons Popup on the page is a fairly simple and quick process.
1. Log into your Blogger dashboard and go to Layout > Social Buttons Popup. Click on Edit.
2. On the bottom click the "Add a new item" button to add a list. Add the "Name the Social Media" and "Link". Click on Save.
3. In the top right corner, click on the switch to hide or show the widget. Click on Save.