If you have a code to upgrade your account to more data or a Pro plan, here's how you can claim it.

1. Log in on our website here: https://windscribe.com/login
2. Go your Account page: https://windscribe.com/myaccount
3. Scroll down and click the button labeled Claim Voucher
   
4. Then enter the code you got and press Claim
   
5. You're done! You should see the upgrade right away. Please note, if you are on a Free account, you need to have a confirmed email address to get more data.