How to format WD external drive for Mac

Just got the WD MyBook 2TB.  It's not the one specifically for Mac.  It says it is compatible, needs to reformat.  How easy is it to reformat?  It is for Time Machine.  Thanks.

Connect it, power it up, go to Disk Utility (in Applications/Utilities), select the WD disk on the left, go to the Erase tab, and choose "Mac OS Extended". Click Erase. That should do it.
You should then a) see it mount on the desktop, and b) automatically get a prompt to use the drive for Time Machine - if not, you can go into the Time Machine menu (top right of the screen), go to TM Preferences, and select it.
Matt

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