QuickBooks Activation Not Working is a time-consuming issueand requires immediate remediation to start your work in QuickBooks. A
wrongQuickBooks License and product number can also be thereason for
QuickBooksActivation Not Working.
In this blog, we will list methods that can update yourlicense and product information in QuickBooks without doing any QuickBooks
install or reinstall.
Modify/Change License number Only(Windows Users)
Go to the QuickBooks ‘Help’ menu and choose‘Manage MyLicense’ option.
Click on ‘Change My License Number’
Now Enter the ‘New License number’ and click NEXT andFinish.
Now Restart Computer