What if I have an Amazon account but I am not actively subscribing to Amazon Prime Video?

You can redeem the 6 months subscription. Please refer to the guidelines below:

ScenarioAmazon Prime Video
I have an existing Amazon account without an active Amazon Prime Video subscription.You can use your existing account to sign in and redeem your 6 months subscription.
I have an existing Amazon account with an active Amazon Prime Video subscription.You can redeem using a different email.