How to add and sync calendar events in the Windows 10 Calendar app

[Windows Central]

How do I add and sync calendar events in Calendar on Windows 10?
The Calendar app in Windows 10 is a powerful tool for keeping track of all your events, appointments, and social engagements. It's entirely possible you already use another type of connected calendar, and that's okay! Windows 10 can sync all your events over from few different services, so you don't have to start over from scratch.

Full story from the WindowsCentral blog...