Change your license number
If you need to change your installation license number, you can do so within QuickBooks without reinstalling. . Changing a license number is typically done while speaking to an Intuit representative. .
To do this task
Go to the Help menu, click Manage My License, and then click Change My License Number. .
Enter your new license number and click Next. .
In the Congratulations window, enter the codes the Intuit agent gives you and then click Finish. .
See also
KB ID# H_HS_CHANGE_LICENSE_NUMBER