My discovery plus will not work, keeps asking me to upgrade when it’s free

[Barbara18]

My discovery plus will not work keeps asking me to upgrade when it's free. I phoned sky they cannot help me. I have an account with discovery plus, but will not let me watch the shows???

[Tennis2000]

Try the link below and follow the steps below 

https://support.discoveryplus.com/gb/Answer/Detail/000004115