How to partition a Mac hard drive or SSD, or create a APFS volume

Here's how to split your Mac hard drive into multiple partitions or volumes so that you can run more than one OS on your Mac, or divide up your Mac so different users can have their own space. We'll show you how to create a volume in Mojave and High Sierra, how to create a partion on an older Mac, and we’ll look at how you can use Boot Camp to install Windows on your Mac