To create a full width registration page you need to follow these steps :
1. Please activate the child theme ,if there is no child theme then please install and activate the blankchild theme (blank childtheme is given in the wplms package) .
2. If you are using a child theme already then please ignore the above point .
3. Now inside your child theme create a folder named as ” registration ” .
4. Find the register.php file in the attached zip file , and then
5 Upload the register.php file in registration folder in child theme .