Hello Everett Buel,
First of all please check documentation to ours joomla membership extension
In your step 1 step very simply: You need in Joomla menu create menu Item to "Simple memberShip->My Account"
- Next you need add login module to your site
- next Disable "Joomla User profile plugin"
- next enabled "Simple membership User profile plugin"
- next in "Simple membership User profile plugin" enable fields which you need your users can edit.