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.
You can also use this function for other troubleshooting issues as well. 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. Why Do You Need to Create A Bootable Drive For Your Mac? How to Set the Computer Boot from the Bootable Media How to Create Bootable Media for Mac with Recoverit Mac Data Recovery How to Create a Bootable Drive Using Terminal
