OpenCart 2.x. How To Add Custom Fields To Registration Form

In this tutorial we will show you how to insert a new custom field to the registration form in OpenCart 2.0.
Choose your OpenCart template now:

[MrEstherons]

Thank you. I was actually trying to do this before looking for the video tutorial. Very clear steps.

[RonaldBocaly]

How do you do this for the contact page?