Click Here
Go on above link by us proxy

2. Click on like it

3. Copy that Coupon Code

4.Create a Skype Acoount

5. After Creating a Skype Account go to
this Link
Redeem 

6.Login in ur account

7. Enter that Coupon Code u got it dere
in that App.

Note: It is Working for USA for many
countries they blocked it so use USA
Proxy to get that Coupon Code.

You can use proxy changer to change proxy.