Fresh install mac os x el capitan7/30/2023 ![]() Scan down the list of apps you’ve purchased or download for free (which is in order of when you downloaded them) and find the old version of macOS. Make sure you’re logged into the Mac App Store with the Apple ID you used to update to Sierra (or whichever version you want to clean install), then click Purchased in the menu bar along the top. ![]() If you’re using Sierra or earlier, we can use the same method as above, but it’s a bit harder to get the install file: Apple doesn’t offer downloads of outdated OS versions through the normal store front, and searching for ‘Sierra’ won’t find what you’re looking for. Once installation of High Sierra is complete, you can restoring apps and settings from a Time Machine backup, or download them again manually. A clean installation is when you install the operating system on a blank storage device. Before you can clean install OS X El Capitan, you must first erase the current. Go back to the main menu and choose Install OS X. After you back up your data, download El Capitan from the Mac App Store. Select ‘Disk Utility’ and your hard drive, then click Erase. Your mac should have come with discs with the original OS on it you use them, the person then has the ability to set up an Apple ID and download El-Capitan for themselves. Choose to install macOS High Sierra from the drive. You need to use either the discs that it came with to reinstall the OS your mac came with or on later macs you have the ability to use internet recovery. Select the disk on which you want to install "El Capitan" and press Continue ( note that the icon and name of the disk will be different in your case) (there is usually only one option.With the boot drive connected, start up – or restart – your Mac while holding down the Read the software license agreement, press Agree to accept it and press Continue: When your Mac comes back up, disable Wi-Fi and leave the Ethernet cord unplugged, as explained in step 2, and press Continue: In the OS X installer window, press Restart: ![]() Terminal will confirm that the date has been changed with a line of output that displays the new date. Turn Wi-Fi off or unplug the Ethernet cord, depending on your configuration, to prevent your Mac from connecting to the Internet: Select Utilities>Terminal: Click the window that appears: and type date 0115124517 (this will reset the date to Jan 1st 12:45 2017). Turn Wi-Fi off or unplug the Ethernet cord, depending on your configuration, to prevent your Mac from connecting to the Internet:Īnd type date 0115124517 (this will reset the date to Jan 1st 12:45 2017). When the OS X installer complains that "No packages were eligible for install" and displays this window: Learn more.Īs explained here, OS X 10.11 "El Capitan" fails to install because it is too old (the technical reason being that the signing certificate is no longer valid).īut you can trick the OS X installer into thinking that it is 2017 and it will happily run without any errors. When the process is completed, quit Terminal. ![]() Wait while Terminal erases and copies the files to the USB drive. ![]() Copy and paste the command given below into Terminal. Comments on this answer have been disabled, but it is still accepting other interactions. Download El Capitan from Apple and quit the installer. ![]()
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