Login in the Avangate system and select Electronic Delivery.

 

Type in a List Name and select the List Type: Static

 

 

 

Select the button: Edit. From the key list with Serial Numbers you created - see build a key list with Serial Numbers - copy and paste the keys in the field Code. .

 

Click to enlarge
Add keys to key list

 

 

Important settings are:

 

Uncheck Single Code
Uncheck Allow Duplicates
Select Quantity Sensitive