If in the lightning experience, customizing Salesforce is a bit different but all the object changes are still there. To get there, click on set-up home -> Explore Objects
On the top right corner, you will find a link to create objects and workflows.
If you want to change some things in existing objects, just click the links to the object on this screen as well. Here you have the ability to work on all details of that object from a single page.
If you would like to search the setup area (as I always do), use the search box in the upper left. This is a very useful piece to jump quickly to what you need (such as “users” shown here).
Written by Prabha Krishnamurthy and Corey Babka
