To create a payment, go to the Money tab and choose “Payments”. Then click the “New Payment” button:
Depending on whether you’re entering a cash or check payment, or a credit card payment, the screens will look slightly different. If you’ve selected a cash or check payment or Other, this is what it will look like:
And if you’ve chosen a credit card payment, you’ll be asked to enter some additional info about the payment method:
Once you’ve entered all the information for the payment, you can send the updated invoice (that will now read 'Paid' or 'Partially Paid') to your client if you choose, or otherwise just save for your own records: