1. Install and enable the Social Share module.
2. Go to Configuration > Web services > Social Share.
3. Choose the social media platforms you want to allow sharing on.
4. Configure the settings for each platform, including the share button label, share URL, and image/video URL.
5. Save your settings.
6. Go to Configuration > User interface > Social Share.
7. Choose the content types you want to enable sharing on.
8. Configure the settings for each content type, including the share message and thumbnail image.
9. Save your settings.
10. Verify that the social sharing buttons are displaying correctly on your website.