Select the Section Info tool from the Tool Menu in your site.
Select the desired options, and then click Update.
If your institution will be managing section enrollment automatically based on official registration records, you should select the Automatically manage sections and memberships option.
If you will be creating and editing sections manually, you should select the Manually manage sections option. If you are managing sections manually, you may also choose to enable any of the following optional settings:
Students can sign up for sections
Students can switch sections
Close sections for students until Open Date
Once you have selected all of the desired options, click Update to save your changes.