The latest operating system update for MacBooks and desktop Macs, macOS Sierra, is finally here. Besides eschewing the OS X moniker, Sierra finally brings Siri to the Mac, alongside picture-in-picture, updated Photos app, Apple Pay in Safari and the ability to unlock your computer with an Apple Watch. Show It's a feature rich update, and you'll want to get it on your Mac. Here's how to download and install macOS Sierra: 1. Go to this link (opens in new tab) (or through the App Store) to get to the download page. 2. Click "Download" and wait while it downloads. If you download in the first few days of availability, expect to wait a while.
3. Click Continue in the macOS installer. 4. Agree to the terms and conditions. 5. Click Agree in the pop-up box. 6. Click Install when it shows your boot drive. 7. Enter your username and password and click Add helper. After this step, your computer will reboot and begin to install the operating system. This took us about 45 minutes. 8. Enter your iCloud password and click Continue. 9. Agree to the Terms and Conditions. 10. Decide whether you want to store your desktop and Documents folders in iCloud Drive. Click Continue. Note that this might take up a bunch of iCloud Drive space, depending on your usage. 11. Decide whether or not to send Diagnostics and Usage data to Apple. Click Continue. 12. Decide whether or not to enable Siri, and click Continue. macOS Sierra will finish installation.
macOS High Sierra Tips
Why won't Sierra install on my Mac?Some of the most common reasons macOS can't complete the installation include: The path /System/Installation/Packages/OSInstall. mpkg appears to be missing or damaged. Not enough free storage on your Mac. The file /System/Library/CoreServices/Helper.
Can I reinstall macOS Sierra?Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. In the Recovery app window, select Reinstall for your macOS release, click Continue, then follow the onscreen instructions.
Can I still download macOS High Sierra?Is Mac OS High Sierra still available? Yes, Mac OS High Sierra is still available to download. I can also be downloaded as an update from the Mac App Store and as an installation file. Compatibility is very similar to Mac OS Sierra and requires a Mac from late 2009.
Can I install an older version of macOS?If you're installing to an external drive or a new partition, you can just follow what the installer tells you to do. But Apple doesn't let you downgrade your current version of macOS. If you want to install an older version of macOS on your main drive, you need to completely wipe it first.
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