
Install macOS or OS X from Internet Recovery Mode, which you can boot into by holding option+command+R while your Mac powers up. If you’re tech-savvy but don’t know where to start, use these Quick Tips to point you in the right direction for getting macOS or OS X on your drive: How do I install OS X on my hard drive using an installation disc?. How do I use a bootable USB installer to install macOS or OS X?. How do I create a bootable USB Installer?.
Which version of macOS or OS X should I create an installer for?. Create a bootable USB installer for macOS or OS X. How do I use Internet Recovery Mode to install macOS or OS X on my hard drive?.
Install macOS using Internet Recovery Mode.How do I use Disk Utility to reformat my hard drive?.Format your new hard drive for macOS or OS X.