Enrolment methods
From MoodleDocs
This page really needs improving. Please see the page comments for suggestions of what to include, then remove this template when you're done.
Location: Course administration > Users > Enrolment methods
Selected enrolment methods may be enabled at the course level. Thus, self enrolment may be allowed for certain courses and not for others. Certain enrolment methods have additional settings.
The order in which enrolment methods are listed determines the order of enrolment options on the course enrol page.