This answer explains how to backup files using WD Backup. Out of the box, the drive is Windows 10 ready, but it can be formatted to work with Mac computers, too. To be able to run GoodSync for WD on Windows or MAC computer, you need at least one locally accessible WD device or one remote WD device registered with your GoodSync account. And yes if you want to use your WD Elements drive for a Time Machine backup.