Go to Accounting module -> Accounting -> Management -> Deferred revenue. Review information if needed and click on Compute revenue-> Confirm
Click on the red circle to change it into yellow color and click on pencil icon on the right top to post journal entry
Deferred revenue journal entries for the next period will be automatically generated
This is one loop of Subscription. The loop will continue until the End Date of Subscription.
The Subscription will be sent to Subscription to Renew if To Renew is ticked. What you need to do is Create a renewal quotation -> A new quotation will be generated automatically and start the next loop.