2. Open the interface of iTunes software and click the Help menu in the menu.
3. After clicking the Help menu, a drop-down menu will pop up to select the check update option.
4. This will check the updated version of iTunes.
5. After updating to the latest version, click the Download iTunes button.
6. In this way, an iTunes interface will pop up, select the project to be installed, and then click the "Install 1 project" button to wait for the installation to be completed.