Before you try to use a bootable installer to downgrade your Mac if you have a 2018 or newer MacBook Pro, MacBook Air, or Mac mini, you may need to make sure to allow booting from external media before you attempt to downgrade. If you've enabled the Startup Security Utility, check to make sure you'll be able to use a bootable external drive. I am currently running macOS Sierra 10.12.6 on my Mac. I am in the process of upgrading the OS to the current public release macOS High Sierra 10.13.6. Will I lose my data during the upgrade process? Restart the computer. Immediately after the chime hold down the Commandand Rkeys until the Utility Menu appears. Select Disk Utility and click on the Continuebutton. Select the indented (usually, Macintosh HD) volume entry from the the side list. What to do if your Mac freezes during software installation. If you are sure that your Mac is no longer working on updating the software, follow these steps: Turn it off, wait a few seconds and restart your Mac. Press and hold the power button to turn off your Mac and start the backup. Go to the Mac App Store and open Updates. Restart your Mac from the Start menu in Windows. Press and hold the Option (or Alt) ⌥ key as your Mac begins to restart. Select your Mac startup volume (Macintosh HD) in the Startup Manager window, then press Return or click the up arrow: How to start up in Windows from macOS.
How to start up in macOS from Windows
- From the notification area on the right side of the Windows taskbar, click to show hidden icons.
- Click the Boot Camp icon .
- From the menu shown, choose Restart in macOS.
If you haven't installed the latest Boot Camp updates, you might get the message ”Could not locate the OS X boot volume.'
Or use Startup Manager as your Mac starts up:
- Restart your Mac from the Start menu in Windows.
- Press and hold the Option (or Alt) ⌥ key as your Mac begins to restart.
- Select your Mac startup volume (Macintosh HD) in the Startup Manager window, then press Return or click the up arrow:
How to start up in Windows from macOS
- Use Startup Manager to choose your Windows (Boot Camp) volume during startup.
- Or select your Boot Camp volume in Startup Disk preferences, then restart.
Learn more
- If you're having difficulty using VoiceOver or another screen reader to complete these steps, please contact Apple Support.
- Learn how to install Windows 10 on your Mac.
Is your Mac up to date with the latest version of the Mac operating system? Is it using the version required by a product that you want to use with your Mac? Which versions are earlier (older) or later (newer, more recent)? To find out, learn which version is installed now.
If your macOS isn't up to date, you may be able to update to a later version.
Which macOS version is installed?
From the Apple menu in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.
Which macOS version is the latest?
These are all Mac operating systems, starting with the most recent. When a major new macOS is released, it gets a new name, such as macOS Big Sur. Curb your adaption mac os. As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS.
If your Mac is using an earlier version of any Mac operating system, you should install the latest Apple software updates, which can include important security updates and updates for the apps that are installed by macOS, such as Safari, Books, Messages, Mail, Music, Calendar, and Photos.
Stuckgrade Mac Os Catalina
macOS | Latest version |
---|---|
macOS Big Sur | 11.3 |
macOS Catalina | 10.15.7 |
macOS Mojave | 10.14.6 |
macOS High Sierra | 10.13.6 |
macOS Sierra | 10.12.6 |
OS X El Capitan | 10.11.6 |
OS X Yosemite | 10.10.5 |
OS X Mavericks | 10.9.5 |
OS X Mountain Lion | 10.8.5 |
OS X Lion | 10.7.5 |
Mac OS X Snow Leopard | 10.6.8 |
Mac OS X Leopard | 10.5.8 |
Mac OS X Tiger | 10.4.11 |
Mac OS X Panther | 10.3.9 |
Mac OS X Jaguar | 10.2.8 |
Mac OS X Puma | 10.1.5 |
Mac OS X Cheetah | 10.0.4 |