The process of configuring FBA in SharePoint 2016 is the same as 2013.

Here are the steps:

> Create a database to store FBA user details
> Provide access to the service account to the database
> Modify your machine config file
> Modify your Sharepoint web service config file
> Modify the web application in Central admin

Watch the detailed and step by step process here:

Hope this will help you out.