I have refunded the duplicate order. You will receive the money within the next few days.
The subscription that stays active has a reference code ending with
WINDY******-****-74138.

To access your Premium features, follow the steps in this manual: https://community.windy.com/topic/11832/what-to-do-if-you-can-t-access-your-windy-premium-features.
Note that the restoration process has to be followed on the device you originally placed an order on.

If the restoration fails, please, let me know in which step it failed and if there was an error message.