How to redeem your Apple volume vouchers
Volume Vouchers are physical cards in denominations of $100, $500, $1000, $5000, and $10,000 that can be used to purchase apps and books in the Volume Purchase Program Education Store.
You can redeem your volume voucher by following a few simple steps:
2. Sign in using your volume purchase program Apple ID (i.e. firstname.lastname@example.org)
3. Click "Redeen Voucher"4. Enter the 16-digit code an click Redeem.