At the moment, you cannot subscribe directly from a Windows PC. To get a subscription, please use your phone (or tablet) via the App Store for iOS or macOS, or the Play Store for Android.
This subscription will then be valid on all your devices, including your PC.

When renewing a subscription or at the end of the trial period, in order to update our database with the information provided by the App Store, you must launch the application on the device that took out the subscription.

Important: On your PC or any device where you did not take your subscription, make sure to login to your NavimetriX account to see your subscription