In order to pay an employee's salary:
1. Go to Staff commission - Salaries Overview.
2. Select the employee and click on her/his name.
3. The window with all the transactions for the employee will open.
4. Click Withdraw at the top.
5. A window will open where you need to enter the amount of payment and the type of payment (Payment of commission), if several locations are connected, you will also need to select the location.