How to Change a 3-Prong Dryer Cord to a to 4-Prong Cord

https://dengarden.com/appliances/changing-a-3-prong-to-4-prong-dryer-cord-and-plug

There will be a metal strap or wire fastened to the place where the white wire was (center wire), attaching to the frame of the dryer.
Remove this strap
Take note where this strap is screwed to the frame
The GREEN wire on the new cord will go there.