How to create a bootable installer for macOS SierraIt's never a bad idea to have a bootable copy of macOS Sierra!
Whether you need to install macOS Sierra on a bunch of devices or you just want to avoid re-downloading the installer from the Mac App Store if you ever need it in the future, consider creating a bootable installer. You can use it on a hard drive partition for dual-software installation, to install on multiple Macs in your home, or as a bootable drive if you can't use the Internet Recovery partition. It also will make it much easier to downgrade from a newer version of macOS back to Sierra if the next iteration of macOS doesn't suit your fancy.
Before you start
How to format your external drive for Mac
How to make your external drive bootable for macOS Sierra
How to use macOS Sierra with a bootable drive
Before you start
Before you get started, make sure you have a thumb drive with at least 8GB of storage, or a spare external hard drive (one you aren't planning to use for anything else). You'll also need to download...
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How to create a bootable installer for macOS Sierra
