Please refer How can a Member record a Payment made? to know the detailed steps.
I have raised invoices, but E-mail Notifications have not gone out. How do I send E-Mail Notifications now?
Viewing outstanding payments against a bill
How do I edit a member payment that is pending verification?
How to add or update payment instructions displayed in the invoice?
How to handle Suspense Receipts?
How can a Member record a Payment made?