You might discover that one essential piece of software won’t run, or you dislike the new Apple Music app compared to iTunes. Here’s your downgrade path.
Once the installer finishes preparation, your Mac will automatically restart.
Never perform a major operating system upgrade without a fresh backup. If the installation is interrupted by a power failure or a system crash, you risk losing all your personal data. how to update macos high sierra 10.13.6 to 10.15
Once the download finishes, a window titled will automatically pop up on your screen. Click Continue and agree to the software license terms.
Because macOS Catalina is an older release, it will not appear natively inside your High Sierra "Software Update" pane. You must pull it directly from Apple's servers using a dedicated App Store link. How to download and install macOS - Apple Support You might discover that one essential piece of
Following the final reboot, the Setup Assistant will guide the user through the configuration.
The easiest and safest method is using Apple's built-in utility: Connect an external hard drive to your Mac. Open System Preferences and click Time Machine . Click Select Backup Disk and choose your external drive. Never perform a major operating system upgrade without
: Catalina does not support 32-bit apps . Many older programs (like older versions of Microsoft Office or Adobe CS6) will stop working.
During this phase, your screen will turn black and display an Apple logo alongside a progress bar.
Clicking the link will trigger the app to open automatically on your Mac. Click the Get or View button.
Select your preferred visual style between Light Mode, Dark Mode, or Auto (which switches based on the time of day).
