To extend subscription on Windows 10 - please install VPN Shield Windows 10 app (if you've not done yet).
Sign In with registered login name or create the new one -> Click on "Subscription” option on the left side menu -> You will get an options for subscription.
Windows 7 and Windows 8.1 users could purchase subscription on our website VPN Shield Account Panel using PayPal or AliPay payments.
Your app will be updated with extended subscription automatically, but you can sign out and sign into application again to see changes immediately.
Price depends on the Windows Store account location settings, but in general it is:
1 week - 1.99 USD
1 month - 4.99 USD
1 year - 29.99 USD
3 year - 69.99 USD