Don't-Miss OS X Stories

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How to disable macOS’s hotspot login float-over window

A reader is perplexed and annoyed by “magic windows” for logging into Wi-Fi networks.

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How to turn on/off read receipts in macOS Sierra’s Messages

Read Receipts let the person you are communicating with know when you have received and read their message.

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How to configure a software RAID in macOS Sierra’s Disk Utility

The ability to set up a software RAID has returned to Apple's utility.

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How to deconstruct a software RAID made with macOS Sierra’s Disk Utility

If you created a RAID using Disk Utility and now you don’t want to use the disks as a RAID anymore, here’s how to delete the RAID.

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How to use Optimized Storage in macOS Sierra

This new feature in Apple’s latest Mac operating system promises to free up precious storage space.

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How to use iCloud Drive’s new Desktop and Documents access in macOS Sierra

With this new feature, files saved to the Desktop and in Documents are automatically saved your iCloud Drive.

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How to create a bootable macOS Sierra installer drive

Instructions for making an external drive that you can use to install macOS Sierra.

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How to use the Tabs feature in macOS Sierra

Tabs will help clean up your windows and make it easier to find what you need.

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Starting up using a Network Home and a NetBoot Image

The final chapter in our NetInstall turtorial.

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How to move the Dock about and where it will never, ever reside

If you've got multiple monitors, the Dock can hop bottoms, but not sides.

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Hands on with macOS Sierra’s Console: Now it’s easier to get the Mac information you need

Apple has revamped the Console, making it easier to use.

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Installing OS X: What to do when ‘this copy of the install OS X application cannot be verified’

If you encounter an error when trying to install a fresh operating system, it could be a problem with the date and time.

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How to see every Mac, iPad, and iPhone associated with your Apple ID

Apple's device authorization and management tools are a little hidden—Jason Snell explains.

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How to use Picture in Picture in macOS Sierra

Watch video while you're working on your Mac.

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How to use Feedback Assistant to report bugs in the betas of macOS Sierra and iOS 10

Using the public betas? Do your duty and report bugs to Apple.