Need to change your QuickBooks license number for compliance or transition purposes? Learn the simple steps to update your license key in QuickBooks Desktop or Online. Whether you’re reinstalling QuickBooks, switching devices, or upgrading your accounting edition, it’s important to register your new license correctly to avoid activation issues. Our QuickBooks experts guide you through managing registration, product code updates, and revalidation without data loss. For quick help with license transfer or reactivation, call +1-866-408-0444 and ensure your QuickBooks software stays fully functional and compliant with Intuit’s licensing terms.