· The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks. Start your Mac holding down Command + R. Prepare a clean external drive (at least 10 GB of storage). Within OS X Utilities, choose Reinstall OS X. Select external drive as a . · It's almost as if your Macbook somehow reverted back to a prior firmware that no longer lets you use Command+Option+R to get the version of OS (in your case High Sierra) that will run on your Mac. You're right Shift+Command+Option+R should only get you the OS that shipped with your Mac if Sierra or above was installed. · Command R not working. There are a few reasons why you might find that Command + R doesn't work and your Mac won't start up in Recovery Mode: Number one reason right now is .
Command + R Not Working. Before starting the troubleshooting process to force Mac into the recovery mode, make sure there is no firmware password in place, if so, then remove the password as you will not be able to use the recovery options if the firmware password is in place. Moreover, the recovery options are only available to the Lion macOS or above, so, make sure your system is at least. Step 3: Download old macOS via the mas-cli utilty. The Mas CLI will let you download anything that you have purchased in the past. The way it works is running the command followed by the app store ID number. The following code would be used to download Example: mas install Below is a list of Mac Store IDs for older versions of. Safari downloads the following older installers as a disk image named bltadwin.ru or bltadwin.ru Open the disk image, then open bltadwin.ru installer inside the disk image. It installs an app named Install [ Version Name ]. Open that app from your Applications folder to begin installing the operating system.
R for macOS. This directory contains binaries for a base distribution and packages to run on macOS. Releases for old Mac OS X systems (through Mac OS X ) and PowerPC Macs can be found in the old directory. The following method allows you to download Mac OS X Lion, Mountain Lion, and Mavericks. Start your Mac holding down Command + R. Prepare a clean external drive (at least 10 GB of storage). Within OS X Utilities, choose Reinstall OS X. Select external drive as a source. Enter your Apple ID. After you restart your computer, press and hold Command + R. When you enter the macOS Utilities screen, navigate to Disk Utility, click continue, and find your Startup Disk. Tab to the Erase page and name the file you want erased (e.g. macOS High Sierra). Then select Mac OS Extended (Journaled) from the dropdown menu.
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