Steps for setup to integrate Divi Extended Column Layouts – 5/6/7/8 Column into your child theme
1. Download DPChild.zip Child Theme File.
2. Unzip file.
3. Install and Activate “DP Child Theme” Theme.
4. See Output
You can easily add this code into your child theme.
Reference By Sean Barton (https://www.sean-barton.co.uk/2016/06/divi-extended-column-layouts-6-column-layout/)