Step 6. Once logged in, visit the Product Registration page, then choose a category for the item. You will find a drop-down list of all available products- choose the one you have, then proceed to where you enter the location, purchase date and quantity. Double-check and see if everything is set, then click on ‘Register Product’ to complete it. Important Information Zagg.com has an online claim tool to help its customers get a faster resolution, which can be found as soon as you register and log in the Zagg website. Claims for a warranty can be done on the internet as well by clicking on Warranty Replacement, then choosing the date of purchase then clicking on the red button that says ‘Request Replacement’.