Follow these steps to import an ICS file from your event homepage into your Google calendar.
- Open Google Calendar.
- In the top right, click Settings Settings.
- In the menu on the left, click Import & Export.
- Click Select file from your computer and select the file you exported. The file should end in ".ics".
- Choose which calendar to add the imported events to. By default, events are imported into your primary calendar.
- Click Import.