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#HOW TO MAKE A BOOTABLE USB INSTALLER FOR MAC OS SIERRA HOW TO#

In the case of an external drive, you can use any spare one that you are not going to use for any other work. Ideally, 32GB to 64GB is a good size to have as it is not only cost-effective but also gives a better performance. In the case of Sierra, 12GB is recommended as the minimum requirement. USB Stick / External Hard Drive: If you are planning to use a USB for downloading the bootable version of the installer, make sure that it is 8GB in size or larger than that.What Do You Need Before Creating Your Bootable Drive?īefore you begin the process, you will need the following: A bootable installer can allow you to install an earlier version of macOS and also let you temporarily boot into the previous version of the macOS.

When you have a bootable installer, it ensures that you are well guarded in an emergency scenario by making use of some of its helpful utilities.

You can also use this function for other troubleshooting issues as well.

Clean installs can be performed by installers which are very helpful in overwriting your start-up drive.

This can take a lot of time and become inefficient if you have multiple Macs. You will have to again download the installer on the latter Mac to install the macOS. Once the installer gets deleted, it means that you can no longer use it to install the macOS on another Mac device.

The Mac installer gets deleted as soon as you download it and use it by installing the Mac operating system.

Why Do You Need to Create A Bootable Drive For Your Mac?

#HOW TO MAKE A BOOTABLE USB INSTALLER FOR MAC OS SIERRA HOW TO#

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