Steps
Click on profile icons and click the settings icon in the bottom-left corner of your dashboard.
Click on "Profile" to access workspace customization options
Edit the workspace name in the appropriate field
Upload a workspace logo by clicking the logo area
Upload a cover image for your workspace dashboard
Customize your workspace domain if on a paid plan
Click "Save" to apply all changes
Notes
Workspace settings can only be modified by Admins and Owners
Changes to workspace name are reflected immediately across all boards
Custom domains require a Business plan
Logo and cover image should be high resolution for best appearance