![]() ![]() When the new owner starts up the Mac, they can use their own information to complete setup. If you're selling, trading in, or giving away your Mac, quit the setup assistant without completing setup, then click Shut Down. When installation is complete, your Mac might start up to a setup assistant.Your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time. Allow installation to complete without putting your Mac to sleep or closing its lid.If the installer doesn't see your disk, or it says that it can't install on your computer or volume, you might need to erase your disk first.If the installer offers the choice between installing on Macintosh HD or Macintosh HD - Data, choose Macintosh HD.If the installer asks to unlock your disk, enter the password that you use to log in to your Mac.Click Continue, then follow the onscreen instructions.After download was completed, I selected update but nothing happened. I connected to iTunes on iMac with High Sierra to do make a backup to the computer first while doing the download only. When you see a window with the option to reinstall macOS, your Mac has started up from Recovery. Level 1 16 points syncing iPhone (ios14) with High Sierra using itunes I received message to update my iPhone Xs to IOS14.0. Then click Next and enter that user's administrator password, which is the password they use to log in to the Mac. If you're asked to select a user you know the password for, select the user.To select a Wi-Fi network, use the Wi-Fi menu in the upper-right corner of the screen. You might be asked to select a Wi-Fi network or attach a network cable.If you see Download and Install, you’ll need to tap it, enter your passcode if prompted, then tap Install Now. If there are two software update options available, tap the one you want to install and tap Install Now. If there is an update available, tap Download and Install. ![]() Keep holding the keys until you see an Apple logo or spinning globe. Go to Settings > General > Software Update.Shift-Option-Command-R: When you press and hold these four keys at startup, macOS Recovery might offer the macOS that came with your Mac, or the closest version still available.Option-Command-R: When you press and hold these three keys at startup, macOS Recovery might offer the latest macOS that is compatible with your Mac.Command-R: When you press and hold these two keys at startup, macOS Recovery will offer the current version of the most recently installed macOS.If none of them work, review the guidelines for using startup-key combinations. Immediately after releasing the power button, press and hold one of these key combinations.Play music at the same time on multiple AirPlay 2-enabled speakers in your house, all in sync. Control your home audio system and AirPlay 2-enabled speakers throughout your house. If you need to know the build number as well, click the version number to see it. The macOS High Sierra 10.13.6 update adds AirPlay 2 multi-room audio support for iTunes and improves the stability and security of your Mac. The window that opens may look different from the example shown here, but it always includes the macOS name followed by its version number. Press and release the power button to turn on your Mac. Which macOS is installed From the Apple menu in the upper-left corner of your screen, choose About This Mac.Remember, you'll need to pay $100 (about £69, AU$140) to enroll.If you're not using a Mac with Apple silicon, you're using an Intel-based Mac. Click the 'Start Your Enrollment' to begin and then follow the instructions. You'll need an Apple ID, and provide your basic personal information. If you’re not currently enrolled, then go to the Apple Developer Program enrollment webpage, which will show you everything you need to sign up. To do that, you need to be enrolled in the Apple Developer Program. Once you've downloaded macOS 11 Big Sur, you might want to play with the more cutting edge developments in the OS that aren't available to the public yet. How to enroll in the Apple Developer Program Install it and iTunes should hopefully recognize your device. For information on how to do this, head over to our ultimate guide to backing up your Mac. The update download weighs in around 3.1GB. Select the Software Update preference panel then choose to update when macOS 10.14.6 update is shown as available. Whenever you upgrade your operating system we highly recommend backing up the files on your Mac, so if anything goes wrong you can quickly restore your machine to its previous working order.īefore you download and install macOS 11 Big Sur, make sure your Mac is backed up. Always backup a Mac before installing any system software update Go to the Apple menu and choose ‘System Preferences’. (Image credit: Apple) Back up your Mac before upgrading to macOS 11 Big Sur ![]()
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