If your Mac was manufactured from late 2011 onwards and is running OSX 10.7 (Lion) or later, then you will be able to use Internet Recovery Mode with no adjustments required. MacOS Internet Recovery is a new part of macOS. Internet Recovery Mode requirements Hardware This will always be the most recent version of the macOS you restored.

It’s created when you install a new copy of macOS. Recovery mode is run from a partition on your hard drive. This is an alternative to the recovery mode. Internet Recovery Mode will download the files it needs directly from the internet. It’s very useful if you are having hard drive problems and can't access the recovery partition. Internet Recovery Mode downloads the macOS exactly as it would have been when your Mac came out of the box, this helps rule out issues caused by updates.

If you’re having problems with your Mac that may be caused by problems with the macOS, Internet Recovery Mode can download a clean copy of OS X. The difference between Recovery Mode and Internet Recovery Mode So, following a proper, Apple created Internet Recovery system which means you can reinstall your operating system efficiently and with the smallest amount of data loss possible. That does not mean you will never run into issues, however. One of the great things about macOS is that it tends to be relatively stable.

How do i get recovery key for mac