How to enable the Guest User account on your Mac

[iMore.com]

There are lots of reasons to use the Guest User feature on your Mac. For most of us that'll be so others don't have unauthorized access to our files and settings. You can limit what they can and can't do fairly easily so you can be sure at all times that no one is doing things on your Mac that they shouldn't. Here's how to turn on the Guest User account:

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