: You need at least 4GB of RAM and 12.5GB of available storage . 2. Essential Preparations macOS Catalina - Technical Specifications - Apple Support
By following these steps, you should be able to update your macOS High Sierra to a more current version. Always ensure you're on a supported and up-to-date version for the best experience and to keep your Mac secure. how to update macos high sierra 10136 to 1015
Before upgrading to Catalina, you must ensure your High Sierra installation is fully updated. The version number “10.13.6” is the final build of High Sierra. To verify, go to . If you see a lower version (e.g., 10.13.5), open System Preferences > Software Update and install all available security updates for High Sierra until you reach 10.13.6. This ensures compatibility with the Catalina upgrade mechanism. : You need at least 4GB of RAM and 12
Here’s a step-by-step guide to update from (the final version of 10.13) to macOS Catalina 10.15 . Always ensure you're on a supported and up-to-date
Click the Apple logo → About This Mac . Under “Overview,” you will see the model and year.
