Note, these docs are for the EE3/EE4, if you're looking for the EE2 docs those can be found here

  • Download and unzip
  • Upload everything in “/system/user/addons/” to /system/user/addons/ on your webserver
  • Upload everything in “/themes/user/” folder to /themes/user/ on your webserver
  • In ExpressionEngine, navigate to Add-on Manager and click “Install” next to the “Simple Registration” add-on
  • That’s it! Click “Simple Registration” in the modules list to get to the settings page where you configure your registration form