Here is my network… No WDMYCLOUD is discovered…
You may want to see the following post which has a compilation of suggestions for Windows 10. In particular Windows 10 Specific Method 1 through Windows 10 Specific Method 5.
Maybe not in the same workgroup ?
Since it is showing under Media and Storage have you tried a reboot of your router? If it doesn’t show after that try a reboot of your new Windows 10 PC.