I can share the steps on how to record the payment you've received from your customers, @vince3.
When you receive a deposit from your customers, you can simply enter the payment through Bank Deposit. Once the deposit is updated, you can apply it as a credit to the invoice. This will make your records accurate and avoid errors when you reconcile your accounts later on.
You can go to your Bank Register to update the Deposit entry:
To apply the credit to the invoice:
See this article for more information: How to link a deposit to an invoice.
Here's also a guide on how to record and make bank deposits in QuickBooks Online.
Let me know if I can be of further assistance in recording your customer payments. I'm always here to assist you. Keep safe and have a wonderful day!