Hello hankavocado,
My book live device is compatible to be used with Windows 10 system. You should not face any issues using it. Also, windows network discovery do needs to be turned on Windows 10 to use the My book device with your computer.
Please follow the below link to enable the NetBios Over TCP on your windows computer to overcome the mapping issue:
https://support.wdc.com/knowledgebase/answer.aspx?ID=18018&s=
Please follow the below link to know how can you map your shares on your windows computer:
