4/10/2023 0 Comments How to upgrade to high sierraBoot from the USB drive by holding down the option key after reboot. How do I install high Sierra on older Mac? Open the macOS High Sierra Patcher tool, navigate to the High Sierra Installer App, then select your pen drive and click “Start Operation”. By patching older unsupported Mac devices, you can install Mojave, Catalina, or even Big Sur. Your old Mac can still be updated with newer macOS versions, even if it is too old. However, you should definitely take steps to clear the junk from your Mac before installing the newer macOS. Is it worth upgrading from High Sierra to Catalina? When you compare macOS Catalina with macOS High Sierra, the differences are huge, so it's well worth it if you haven't upgraded already. As a result, SCS Computing Facilities (SCSCF) is phasing out software support for all computers running macOS 10.13 High Sierra and will end support on Ja. In keeping with Apple's release cycle, we anticipate macOS 10.13 High Sierra will no longer receive security updates starting in January 2021. Comment passer de macOS High Sierra à macOS Catalina ?
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