1. Log into your account or Register new account at http://prem.link/, verify account via email and login.
2. Make sure you are logged in, and access this link: http://prem.link/account
3. On the renew/reactivate page, enter code in "Voucher/StarPass Code:" field, Click REDEEM button.
4. User have to LOGOUT and IN again to see changes in expiry date, due to browser cache.