wplms 4 batches

Hello, I need to properly set up course batches, groups, members template in 4.0. can you assist? it has changed from 3.0. I need students nonmembers who want to join a course batch to be able to click on the appropriate batch pay for it and register at the same time as it did in 3.0. Members who are already logged should be able just to add to the cart and join the group batch when the batch is ready to st