On your computer, open Google Calendar.

On the left, next to "Other calendars," click Add other calendars and then From URL.

Enter the Deal calendar's address.

Click Add calendar. The calendar appears on the left, under "Other calendars."

Tip: It might take up to 12 hours for changes to show in your Google Calendar.

Using the .ics file:
In the Calendar app on your Mac, if needed, create a new calendar for the events.

Choose File > Import.

Select the file with the events, then click Import.

Choose the calendar to add the events to.

You can also drag a file with events to Calendar. The events are added to the calendar selected in the calendar list.

Using the URL:

In Calendar, choose File > New Calendar Subscription.

Enter the Deal calendar’s web address, then click Subscribe.

Enter a name for the calendar and choose a color to help you identify it on your calendar.

Choose iCloud from the Location menu, then click OK

In Outlook, select Calendar.

In the navigation pane, select Add calendar.

Select Subscribe from web.

Subscribe to a calendar

Enter the URL for the Deal calendar

Select Import