Navigate to Appearance > Customize > Site Identity.
Use the ‘select logo’ button to upload your logo. In order for your logo to line up correctly, it is recommended to upload an image 480px width and max 480px height.
Site title and tagline
Set your site title and tagline. The tagline is only displayed in the browser tab, not on the site itself.
Upload your favicon in the site icon area. Suggested size for your favicon is 512 x 512px.