Once the feed is generated there are two options available from the pop up.
Copy link to clipboard option
Click the Copy Link to Clipboard button.
Open your preferred calendar application. We have shown examples for Google Calendar and Apple Calendar, but the method of adding a url feed will be similar for other calendar applications.
Create a new calendar or calendar subscription. (Options will vary depending on your calendar).
Paste the copied url into the feed field and save. You can name the feed and there will be options to choose how often the feed checks for updates.