Following are the steps to create and add the button to the page layout: 1- Create a new visualforce page.- Press on the 'Setup' icon in the top menu. Create a test Quote record 5. - Change the standardController value to your custom object api name (for example: Contact). Moving beyond simple alterations of fonts, colors, icons and user interface, Lightning Experience delivers a better platform to maximize the productivity of sales representatives, better analytics, and inline …