Adding a Shared Calendar to Outlook for Windows

Open Outlook > Calendar View.
From the ribbon bar choose Open Calendar > Open Shared Calendar.
Click on Name.
In the address book, choose Global Address List. Type in the name of the calendar and choose the calendar to add to Outlook. Click OK.
Make sure the name of the calendar populates in the box and click OK.

NOTE: The name in the box is just an example.
The calendar will now show in Outlook.