All students payments are listed at Payments page in administration (School -> Payments). To confirm payment follow this steps:

  1. Select wave in which this payment is located
  2. Search for student by Name, Email or Variable symbol

  3. If you located the student payment row click on Actions button

  4. Click on Confirm payment in submenu
  5. This will open box for confirmation. You can change payment type, edit payment or add note. If you have everything done, just click at Save payment.

And this is all. That is not difficult, isn’t it. 🙂