Mountain Lion is only available for 2013 and older Macs. Go to Apple menu -> About This Mac to verify the age of your Mac. Mac Mini 2014 (7,1) shipped with 10.10. As you can see only the Air 2013 model is that shipped with Mountain Lion could run Big Sur. So something is amiss with your identification.
Command-R: When you press and hold these two keys at startup, macOS Recovery will offer the current version of the most recently installed macOS. Option-Command-R: When you press and hold these three keys at startup, macOS Recovery might offer the latest macOS that is compatible with your Mac. Shift-Option-Command-R: When you press and hold Download macOS Catalina 10.15.7 Update. Download. macOS Catalina 10.15.7 provides important security updates and bug fixes for your Mac. • Resolves an issue where macOS would not automatically connect to Wi-Fi networks. • Fixes an issue that could prevent files syncing through iCloud Drive. • Addresses a graphic issue that may occur on Security Update 2019-002 Mojave dan Security Update 2019-007 untuk High Sierra. Cara Update & Install MacOS Catalina Rilis 10.15.2. Jangan lupa untuk selalu backup Mac menggunakan Time Machine (atau gunakan metode backup lainnya) sebelum melakukan installasi atau update OS. Selanjutnya ikuti langkah berikut ini : What to Know. Mojave and later: Select System Preferences > Software Update > Update Now. High Sierra and earlier: Open the App Store, go to the Updates tab, and select Update. Before installing an update, perform a backup of your system in case something goes awry. The method for updating your MacBook Air varies with the version of macOS or OS 2. Use Terminal. Once you have your bootable installer ready, it's time to move to the next step. Connect the USB flash drive to the computer you wish to install macOS. Choose 'Finder' then select 5 Alasan Kamu Harus Upgrade ke Mojave. Dark Mode. Desktop Stack. Dynamic Desktop. Tampilan Baru App Store Mac. Continuity Camera dengan iOS. Ternyata mengupgrade OS sangatlah penting. Jika kamu tidak sering-sering melakukan upgrade OS, dapat membuat kinerja perangkat yang kamu gunakan baik itu smartphone atau laptop akan melambat. bJdDLP.
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    • cara upgrade os macbook