While working on Drupal 8 one of the issues you might face is you won't get "Register" link for anonymous user. Here are two simple ways on how to hide "Register" link for users with administrator role.
There are situations where drupal you want to assign a particular role to a user after he/she has been registered for a period of time. This functionality might be needed for situations where you want a user to get permission to perform a particular task on your site.
While creating the user's list in views, Views Bulk Operations (VBO) module gives the option to perform 'Block current users' operation but doesn't give any option to perform 'Unblock current user' operation. Here is the code snippet tutorial to add "Unblock users" option in Views Bulk Operations in views.