How to create a bootable disk for an older Mac?
4309
How can I download an older version of OS X/macOS?
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Restore Macintosh HD to its original partition configuration
98075
What is the best way to generate a Yosemite or Mavericks Install USB flash drive?
155087
Create a Bootable Windows USB from a OS X to work on a PC
5027
How to create a OS X Mountain Lion Bootable USB drive on Ubuntu?
51778
Image copy Mac drive, how to do this?
38962
Make an Ubuntu bootable USB drive for a PC using Mac?
102801
How to create bootable ISO from an installed OS?
4251
How do I get my Mac to boot from an Ubuntu USB key?
37257
Creating A Bootable USB Of Windows 8.1 On OS X?
151598
Create Yosemite install disk on a Windows machine
96346
Creating Bootable Ubuntu USB from Mac
6596
How to create a bootable USB stick?
75382
Make a bootable internal drive to install Ubuntu on current drive?
6906
How to make a disk image and restore from it later?
65520
How to install Windows 10 into a 2013 iMac without using the Boot Camp Assistant, USB flash drive or third party tools?
136983
How can I create a recovery drive for Windows 8.1?