In order to activate payroll in QuickBooks, Desktop one has to have the service key with them as then only it can be activated. The steps which you must follow are:
• First, select Employees and then click on Payroll and choose the option of Install Payroll
• You need to complete all the fields that are there in Payroll License and Product Information page. The license number and product number which are found in the folder inside the box work together to produce service key which can unlock payroll subscription
• Now enter the service key and complete all the fields in the Payroll Company Legal Information section
• Then a confirmation will appear that says payroll service is activated
• And select finish to complete the activation process
If you find any difficulty while activating the payroll service then you are requested to dial quickbooks customer support where profound professionals are there to resolve the issue faced by their clients.
For More information regarding this:-
quickbooks customer care