With "My Models" you can add details about your Apple products, including their color, serial number, purchase date, and warranty coverage end date.
Choose the "My Models" category from the main window.
Click the Add (+) button at the bottom of the main window.
In the next window, you can enter the details about your Apple product.
Including a date in Warranty Ends allows you to see all your products that are in warranty, about to leave warranty in the next 30 days, and those that are outside their warranty.
You can import a system report to create a new "My Models" entry. The system report needs to be created by Apple System Information version 10.5.7 or later.
Enable iCloud Drive support in Settings to access your entries on your other Mac computers.