1. From the Home tabin Setup, enter App in the Quick Find box, then select App Manager
2. Click on a Lightning app’s row, and select Edit.Here are some things you can do from the App Settings tab:Change your app’s name, primary color, and logoOverride the org theme with your app’s brand image and nav bar colorAdd a utility bar for common processes and tools, like Recent Items, Notes, Dialer, and Open CTIManage which default items appear in the app’s navigation barManage user profile assignments
3. Change your app’s name, primary color, and logo
4. Override the org theme with your app’s brand image and nav bar color
5. Add a utility bar for common processes and tools, like Recent Items, Notes, Dialer, and Open CTI
6. Manage which default items appear in the app’s navigation bar
7. Manage user profile assignments
8. Click the Pages tab to see all the active Lightning pages assigned to the app, create pages, and open existing pages, even ones not associated with the app.Tip If you create pages for your app, when finished, don’t forget to click Activation to make them active for your users and assign them to theapp.