Log in to the Administrator back-end.
- Go to Content > Article Manager and edit the article(s).
- Set the Access Level (Details right side of editor) for the article with Read More link to Registered.
- Click the tab Article options and find the "Show unauthorized links". Select Yes.
- Save and close.
- In the same window click the Options button from the top toolbar.
- Set the Show Unauthorized Links to Yes and Save the settings. This is a global setting and will apply to all published articles that have the read more link and registered+ access.