You create the paycheck the same as you would normally do. If the employee is paid salary, you will have to do a manual calculation and adjust their pay accordingly. Then enter the details on the employee, by editing their employees information and entering their termination date.
Be sure to Make them in active and you won’t be charged for them anymore .
Also, You can select just pay that one employee, Even though all the names of the populate when you select the pay cycle.