How do I record a customer's payment?

Quick answerIn 3 steps

Open Sales → Customers, open the customer and press “Record receipt”.
Type the Amount, Mode and Reference, then press “Record ₹…”. It settles the oldest bills first; anything extra becomes store credit.
At the counter: attach the customer (F3), then Ctrl+U “Collect dues”.

WhereSales → Customers in the back office

Learn it properlyRecord a customer receipt against udhaarMoney a customer pays on old bills, settled oldest first.Open the lesson →

Also asked as

“customer paid old dues”
“receipt against udhaar”