5/19/2023 0 Comments How to update mac os sierraThere might be old copies of Lion, Mountain Lion, and even Snow Leopard for sale on sites like eBay. ![]() Non-developers can buy OS X Mountain Lion ($19.99) and OS X Lion ($19.99) from Apple directly. Apple will email you an unlock code, which you can redeem in the Mac App Store. When the Mac starts up there will be a black screen with a few drive options. If you have a valid Apple Developer account, you might be able to download older versions from /downloads. Once that has been created you need to reboot your Mac while holding down the Option (Alt) key. ![]() This will put an installation app in your Applications folder, which you should leave there. Once any of these downloads are complete, mount the. Leave the installation app in your Applications folder.ĭirect Disk Image Links for Older macOS Downloads Once any of these downloads finishes, do not open the installer to begin the installation. When the scan is complete, MacKeeper will show a list of the Mac apps you need to update. Click Scan for Updates and wait for MacKeeper to finish scanning your apps 4. ![]() ![]() Click Update Tracker in the MacKeeper sidebar 3. Mac App Store Links for Older macOS Downloads Download and install MacKeeper on your Mac 2.
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