Login and registration
Theme version 1.9 has replaced login and registration solution with WooCommerce instead of the Membership Modules plugin, WC is now required to have this functionality in front-end.
Enabling Page With Login And Registration Forms
There are no special login and registration pages, forms are displayed when you go to My Account page (WC shortcodes). By default only login form is displayed, to enable also registration check setting at “WooCommerce > Settings > Accounts > Enable registration on the “My Account” page”.
In “Appearance > Customize > User Registration” you have related settings to setup allowed roles and set the default role.
Adding Links To Menu
To add a login and registration link just add a link to My Account page, you can also highlight menu items. To add a logout, edit account and other account related links to menu, go to “WooCommerce > Settings > Accounts”, find a page endpoint under “My Account Endpoints” section. Then create a “Custom Links” menu item, and compose URL like this: /WP installation path + /my-account + /endpoint, samples: