1-LOGIN TO YOUR STEAM ACCOUNT.
2-CLICK ON YOUR ACCOUNT NAME, THEN CLICK ACCOUNT DETAILS.
3-CLICK ON “ADD FUNDS TO YOUR STEAM WALLET”.
4-CLICK “REDEEM A STEAM WALLET CODE”.
5-ENTER YOUR STEAM WALLET GIFT CARD SENT TO YOU FROM MYGIFTCARDSUPPLY.
6-ENTER YOUR A US ADDRESS.  CONGRATS!