To get the latest features and maintain the security, stability, compatibility and performance of your Mac, it's important to keep your software up to date. Apple recommends that you always use the latest macOS that is compatible with your Mac.
Testing conducted by Apple in October 2020 on production 1.4GHz quad-core Intel Core i5-based 13-inch MacBook Pro systems with 8GB RAM, 256GB SSD, and prerelease macOS Big Sur. Systems tested with WPA2 Wi-Fi network connection while running on battery power, with display brightness set to 12 clicks from bottom or 75%. What is best upgrade for Apple Macbook Pro! Macbook pro won’t upgrade from sierra to mojave: Are Macbook Pro Upgrades worth the extra money? If so which one, and why? MacBook Pro Upgrade Heat Issue: Upgrade SSD to larger size: upgrading the gpu on a 2012 macbook pro nonretina: RAM Upgrade Macbook Pro Mid-2012: Need MacBook Pro 8.2. Have read your article on how to get mac OS onto a blank SSL (in my case in a 2011 Mac mini that won’t boot into Recovery mode.) with an installer USB drive. Unfortunately, you do not address the problem of being unable to download the High Sierra installer from the App Store to a working Mac running under Catalina. I have a late 2011 Macbook Pro running High Sierra. I can't download the latest version of iMovie as it's incompatible with High Sierra. But the latest version I can get from apple is 9.0.9, which from what I read doesn't work well with High Sierra.
MacBook Pro (Mid 2012 or later) Mac mini (Late 2012 or later) iMac (Late 2012 or later) iMac Pro (All models) Mac Pro (Late 2013 and 2010-2012 models with upgraded GPU) macOS 10.13 High Sierra. Release date: September 25, 2017. Hardware Requirements: 2GB RAM.
Learn how to upgrade to macOS Big Sur, the latest version of macOS.
If a macOS installer can't be used on your Mac, the installer will let you know. For example, it might state that your Mac doesn't have enough free storage space for the installation or that the installer is too old to be opened on this version of macOS.
If you want to check compatibility before downloading the installer, learn about the minimum requirements for macOS Catalina, Mojave, High Sierra, Sierra, El Capitan or Yosemite. You can also check compatible operating systems on the product-ID page for MacBook Pro, MacBook Air, MacBook, iMac, Mac mini or Mac Pro.
Make a backup
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Before installing, it’s a good idea to back up your Mac. Time Machine makes it simple and other backup methods are also available. Learn how to back up your Mac.
It takes time to download and install macOS, so make sure you're plugged into AC power and have a reliable internet connection.
These installers from the App Store open automatically after they've been downloaded:
- macOS Catalina 10.15 can upgrade Mojave, High Sierra, Sierra, El Capitan, Yosemite and Mavericks
- macOS Mojave 10.14 can upgrade High Sierra, Sierra, El Capitan, Yosemite, Mavericks and Mountain Lion
- macOS High Sierra 10.13 can upgrade Sierra, El Capitan, Yosemite, Mavericks, Mountain Lion and Lion
Your web browser will download the following older installers as a disk image named InstallOS.dmg or InstallMacOSX.dmg. Open the disk image, then open the .pkg installer inside the disk image. It will install an app named Install [Version Name]. Open that app from your Applications folder to start installing the operating system.
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- macOS Sierra 10.12 can upgrade El Capitan, Yosemite, Mavericks, Mountain Lion or Lion
- OS X El Capitan 10.11 can upgrade Yosemite, Mavericks, Mountain Lion, Lion or Snow Leopard
- OS X Yosemite 10.10can upgrade Mavericks, Mountain Lion, Lion or Snow Leopard
Follow the onscreen instructions in the installer. It might be easiest to start the installation in the evening so that it can be completed overnight, if needed.
2011 Macbook Pro Should I Download Mac Os Sierra 10.12
If the installer asks for permission to install a helper tool, enter the administrator name and password that you use to log in to your Mac, then click Add Helper.
Please allow the installation to be completed without putting your Mac to sleep or closing its lid. Your Mac may restart, display a progress bar or show a blank screen several times as it installs both macOS and related updates to your Mac firmware.
You might also be able to use use macOS Recovery to reinstall the macOS you're using now, upgrade to the latest compatible macOS or install the macOS that came with your Mac.