1.Click Redeem in the Quick Links section.
2.The Quick Links section is located in the right part of the window shown when you click Featured, Top Charts, or Categories in the toolbar.
3.Enter a gift card or download code, and then click Redeem.
4.If you’re not logged in to the computer as an administrator, enter an administrator’s name and password.
5.If you’re not signed in to App Store, enter your Apple ID and password, and then click Sign In.
6.If requested, click Billing Info to enter or verify your billing information.