• After downloading the installer, connect the USB flash drive or other volume you're using for the bootable installer. Make sure that it has at least 12GB of available storage and is. • Open Terminal, which is in the Utilities folder of your Applications folder. • Type or paste one of the following commands in Terminal.

Lion (OS X 10.7) Download the macOS Sierra installer. Launch the App Store app, then look for macOS Sierra in the store. (Here’s a link.) Click on the Download button, and your Mac will download.

These assume that the installer is still in your Applications folder, and MyVolume is the name of the USB flash drive or other volume you're using. After, follow these steps to use it. • Connect the bootable installer to a compatible Mac. • Use Startup Manager or Startup Disk preferences to select the bootable installer as the startup disk, then start up from it. Your Mac will start up to. Learn about, including what to do.

• Choose your language, if prompted. • A bootable installer doesn't download macOS from the Internet, but it does require the Internet to get information specific to your Mac model, such as firmware updates. If you need to connect to a Wi-Fi network, use the Wi-Fi menu in the menu bar. • Select Install macOS (or Install OS X) from the Utilities window, then click Continue and follow the onscreen instructions. For more information about the createinstallmedia command and the arguments that you can use with it, make sure that the macOS installer is in your Applications folder, then enter this path in Terminal: Mojave: /Applications/Install macOS Mojave.app/Contents/Resources/createinstallmedia High Sierra: /Applications/Install macOS High Sierra.app/Contents/Resources/createinstallmedia Sierra: /Applications/Install macOS Sierra.app/Contents/Resources/createinstallmedia El Capitan: /Applications/Install OS X El Capitan.app/Contents/Resources/createinstallmedia.

You can install MacOS High Sierra on an older Mac. However, there are specific requirements, and not all older Mac devices can be “hacked” that way. Additionally, note that there are high risks since performing such actions goes against Apple's advice.

Likewise, weigh the advantages and disadvantages before proceeding. If you have still decided to install MacOS High Sierra on an older Mac, you will need several things before you can start. First of all, get a USB drive with at least of 8 GB of free space and download MacOS High Sierra Patcher. Later, get a copy of MacOS High Sierra, and you are able to start the procedure. You can install MacOS High Sierra on the following devices: • Early-2008 or newer iMac, Mac Pro, or MacBook Pro; • Early-2008 or newer Xserve; • Late-2008 or newer Aluminum Unibody MacBook or MacBook Air; • Early-2009 or newer white MacBook or Mac Mini.

Unfortunately, but this hack won't work on the following Mac computers: • 2006-2007 Mac Pros, MacBook Pros, iMacs, and Mac Minis; • 2006-2008 MacBooks; • 2007 iMac 7,1 (If you have updated the CPU to Penryn-based Core 2 Duo); • 2008 MacBook Air. Learn how to install MacOS High Sierra on an older Mac. How to clear cache for google earth on mac. To restore your computer's peak performance, you have to purchase licensed version of Reimage Reimage repair software.