Megaxus 20,000 MI-Cash. How to Exchange/Redeem Megaxus MI-Cash 1. Login to your Megaxus account on the Megaxus website 2. In the Balance Fill menu, click enter Megaxus Voucher 3. Copy the Megaxus Voucher Code and PIN 4. Enter the Voucher Code and Megaxus PIN 5. Click Continue to redeem the Voucher Code If you have redeemed the voucher, don't forget to click complete order, thank you.