Steps:
From the dashboard, click on the "+" button.
Click on the class option to make a quick class.
Or click on my class section. Select the “create a new class”
4. Select the “create a new class” button.
5. Enter your basic details
6. Choose class seat count to “limited”.
7. You will find a count field to add the number of seats.
8. Add the seats limited and add other class details.
9. Publish your class.