Activate QuickBooks Desktop payroll purchased from the web or the phone
QuickBooks Help
From the article: After purchasing a payroll service from the web or phone, you need to activate the service in QuickBooks Desktop by entering a service key that you get upon purchasing.
If you bought the payroll service from a retail store, you need to activate your payroll license online to get the service key. See Activating a payroll service purchased from a retail store. …