How to manage website logo

You can use Site Name, Site Slogan or Image as your website logo.

How To Use Site Name and Site Slogan or Image as Logo

Navigate to:
Home Administration Structure Block layout

example.com/admin/structure/block

Click Configure button of Site branding block.

Select the options that you want to use as logo and click Save block button.

You can set / configure site name and site slogan of your website from:
Home Administration Configuration System Basic site settings

example.com/admin/config/system/site-information

Navigate to:
Home Administration Appearance Appearance settings

example.com/admin/appearance/settings/vani

Here you can upload new logo image.