How to add favicon and site title
Go to WordPress admin panel. On dashboard sidebar navigate to Appearance > Customize
From Customizer panel select Site Identity. You will see Site Title input field where you can set the title of your site. Under Site Title you will find Site Icon input field. Click on Select site icon, choose your image from the Media library or upload new file.
After you have set the needed settings click on the “Publish” button to save the changes.