Hello, Jackson D.
Each time you install QuickBooks desktop on the system, it demands registering and activating. QuickBooks will itself prompt you to activate, also you can activate it manually.
To activate your QuickBooks Desktop for Mac. Here's how:
- Jump to the QuickBooks menu and then choose the Register QuickBooks option.
- Input the License Number and Product Number then choose Next option.
- Choose the Register Online button.
- Follow the on-screen prompts to finish the process of registration.
Once you register, you can use your QuickBooks. To learn more about the latest features, check out What's new in QuickBooks Desktop for Mac 2021.
Feel free to update us on the result after performing the steps in the comment below. I'd like to ensure this is resolved for you. Take care always.
