Sometimes, when you head to UsersWP > Form Builder > Register, you might not see any available fields. In fact, for newer installations of UsersWP, you are not likely to see any available fields. 

In order to display fields on the Register form, you first need to enable them for the same. 

1

Head to UsersWP > Form Builder > Account. 

2

Click on any field that you wish to display on the Register page. 

3

Click “Show Advanced”. 

Next, check the box against “Include this field in the Register Form”. 

4

Save your settings. 

You can now see the said field in the Register options page.