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To update macOS High Sierra 10.13.6 to macOS 10.15 Catalina, you must first ensure your hardware is compatible and your data is safely backed up. Catalina is a major transition as it . 1. Check Hardware Compatibility
Do not proceed without a current backup. If the installation is interrupted, you could lose your files. Connect an external hard drive.
Once you're logged into Catalina, a few steps will help you finalize the transition. how to update macos high sierra 10136 to 1015
This guide covers everything you need to know to safely transition your Mac to macOS Catalina. Step 1: Check Hardware Compatibility
Catalina introduces new privacy controls. To update macOS High Sierra 10
Check the column. Any app listed as "No" will stop working after upgrading to 10.15. Update or find alternatives for these apps prior to upgrading. Step-by-Step Installation Guide
Apple no longer prominently features Catalina on the App Store because newer OS versions exist. Here’s how to find it. Check Hardware Compatibility Do not proceed without a
Once the download is complete, the installer should open automatically. If not, go to your Applications folder and open "Install macOS Catalina".
This is the method Apple expects most users to use.
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