Adding Google Calendar to the Windows default calendar list is easy, but what about other calendar apps? This workaround isn’t quite as perfect, but it can still be useful. You’ve probably heard of the great new feature called “Google Calendar” on Windows 10 and wondered how to make it your default calendar. How Do I Make Google Calendar Default on PC? Is There a Google Calendar Widget For Windows?.How Do I Get the Calendar to Start on Startup?.How Do I Make Google Calendar My Homepage?.How Do I Make Google Calendar Default to Today?.Is There a Google Calendar App For Windows 10?.How Do I Set a Default Calendar in Windows 10?.How Do I Make Google Calendar Default on PC?.