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Sep 26, 2016 7:56 AM in response to marsha48by lllaass,That model Mac has internet Recovery. Install the new disk and then boot to Internet Recovery
About OS X Recovery - Apple Support
The format the drive via Disk Utility in Mac OS Extended (Journaled) format and install OSX via Recovery.
You may need to use a wired (Ethernet) connection vice wifi).
Internet Recovery will install the OSX version that came with the Mac so you may want to update via the Mac App Store.
If you want to up[date to less than Sierra yo need to go to the Purchased section of the Mac APp Store to download the update
This is the Mac Pro desktop forum. I requested your post be moved to the MacBook Pro laptop forum or other appropriate forum.