(You can also open it from the Applications folder, Launchpad, or Spotlight.) Click Continue and follow the onscreen instructions. After download is complete, Install macOS Sierra opens automatically.A file named Install macOS Sierra downloads to your Applications folder. Click the Download button on the macOS Sierra page.Search the App Store for macOS Sierra, or go directly to the macOS Sierra page.To find your model, memory, storage, and version of OS X, choose About This Mac from the Apple menu ().īefore upgrading, it's a good idea to back up your Mac. It also requires at least 2GB of memory and 8.8GB of storage space. MacOS Sierra requires one of the following Mac models and versions of OS X. Take a look at the information below to ensure that you meet all of the other necessary system requirements to upgrade to macOS Sierra, from our article: How to get macOS Sierra Your current version of macOS can be updated to macOS Sierra. Then follow the onscreen instructions to install Lion.If I'm understanding correctly, several apps are not working because you need to update your macOS. Open the Mac App Store from your Dock to buy and download it. For Departmental purchases: Contact Kengshi or Paul.įor Personal purchases: Download OS X Lion from the Mac App Store. If you have Snow Leopard, click the Apple icon and choose Software Update to install Snow Leopard v10.6.8, the latest version. Get up to date with the latest version of OS X Snow Leopard to purchase OS X Lion from the Mac App Store. Make sure you have the latest version of Snow Leopard.So, if your Mac already has Snow Leopard installed but its version is 10.6.7 or earlier (check by choosing Apple Menu > About This Mac), be sure to update it to the latest version In order to purchase Lion from the Mac App Store, you must be running the latest version of Snow Leopard. I recommend starting with at least 20 GB of free space (before downloading the installer). Sign up with your Apple ID to get started. But my experience suggests that in real-world use, 8 GB is cutting it too close for comfort. Upgrade from Mountain Lion to El Capitan or higher Welcome to Apple Support Community A forum where Apple customers help each other with their products. And, in fact, a full install of Lion can, under optimal conditions, fit in less than 6 GB of disk space. Upgrading from an older version of macOS If you’re running High Sierra (10.13), Sierra (10.12), or El Capitan (10.11), upgrade to macOS Catalina from the App Store. Click Upgrade Now and follow the onscreen instructions to begin your upgrade. Īpple says Lion requires 8 GB of free disk space-presumably not including the 4 GB or so you’ll need for the installer itself. Go to Software Update in System Preferences to find the macOS Catalina upgrade. To see if a firmware update is available, check this Web page. Some computers may require updated EFI or SMC firmware to run Lion. Even though 2 GB is the official minimum, I strongly suggest having more, if your budget allows. Find out if your current Mac has one of these processors by clicking the Apple icon at the top left of your screen, then choosing About This Mac.ĢGB physical RAM. Your Mac must have an Intel Core 2 Duo, Core i3, Core i5, Core i7, or Xeon processor to run Lion. Q: What are the minimum requirements for OS X 10.7 Lion?Ī: Listed below are some minimum requirements for upgrading to OS X 10.7 Lion.
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