Hello @Mackilem, thank you for supporting us by subscribing to Windy Premium!
To get to you Premium features you just have to log in with your account to desktop version. Once you are logged in, you should see the crown batch indicating you are a Premium user.
Screenshot 2020-10-19 at 16.46.17.png
Please, also check if you have our application, we are windy.com, red and white logo, not blue and white.