You can lock courses to your Community in the following steps:
1. Click on the Commerce tab on the left side bar.
2. Click on Community.
3. Click on the Community you want to link a course to.
4. Click on the Content tab at the top.
5. The courses you have on your platform will be displayed under the Courses tab.
6. Click on the dropdown arrow on the top right of the course you want to link and lock and then select the Link & Lock option.
7. Watch the video below for more information.