How to activate Alfafile Premium Voucher:
1. You will receive a Alfafile premium voucher like this: AXX-DDD-XXX-A55
2. Please log into your AlfaFile account first.
( If you don't have a AlfaFile account, you just need to register free account: https://alfafile.net/user/signup )
3. Make sure you are logged in. Then access this link: https://alfafile.net/payment/coupon
4. Please enter your coupon code in "Coupon Code" and click "Pay" to become Premium user.