After complete your order with us at WorldBytez Official Reseller, please follow these instructions:
1. Login to your WorldBytez account https://worldbytez.com/login.html or create new account https://worldbytez.com/register.html
2. Go to My Account page https://worldbytez.com/?op=my_account
3. Look at Apply Premium Key field.
4. Put your premium key to that field then click to Apply.