BuddyPress.org

@locker17 yes, you can create registration pages like that after disabling BuddyPress Registration
Please check following thread of disable BP registration https://buddypress.org/support/topic/how-to-edit-register-page-for-buddypress/#post-332492

@locker17, there is no option to edit BuddyPress Directory pages with Elementor like members Groups, Activity, or Registration.
For the login & 404 page, you can create a template for it, as it can be a regular page with an Elementor widget on it.

For registration pages, that’s template driven, and you need to override the template to make those…[Read more]