- Go to Dashboard >> Appearance >> Customize >> Design Settings >> Post Settings.
- Choose Show/Hide option about author box at single post page.
- Then, Click on Save & Publish button.
- For more settings Go to Dashboard >> Users
- From the list, you can select the user or edit own.
- Add your various social media URL under Contact Info section.
- If you want to use your custom profile picture then upload Custom Profile Picture at Additional User Meta section.