Verify that your license key has been successfully activated. You should see a confirmation message indicating that your license key is valid.

itools is a popular software tool used for managing and optimizing iOS devices. It offers a range of features, including data transfer, backup, and restore, as well as system repair and optimization.

Visit the official website of itools and download the software. Make sure to select the correct version compatible with your operating system.

Click on the "Help" menu and select "Register" or "Activate License". Enter your license key in the required field and click "Activate".