Wd My Cloud Gen1 unreadable -- how to access data?

Either us a Linux boot disk/flash disk or use a driver for Windows. because the My Cloud hard drive is formatted for Linux, Windows will not properly see/access the drive without the proper drivers.

An Linux boot disk/flash drive:

https://tutorials.ubuntu.com/tutorial/tutorial-burn-a-dvd-on-windows

https://tutorials.ubuntu.com/tutorial/tutorial-create-a-usb-stick-on-windows