- Jun 21, 2016 Installing El Capiton on an old Mac Book Pro today, I received the error: OS X could not be installed on your computer. No packages were eligible for install. Contact the software manufacturer for assistance. Quit the installer to restart your computer and try again.
- Please watch version 2 of this video here: the 'install failed' and 'No packages were eligible for install'.
- El Capitan Reinstall
- El Capitan Cannot Be Installed On This Computer Download
- Can't Install El Capitan
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macOS Big Sur elevates the most advanced desktop operating system in the world to a new level of power and beauty. Experience Mac to the fullest with a refined new design. Enjoy the biggest Safari update ever. Discover new features for Maps and Messages. And get even more transparency around your privacy.
Check compatibility
macOS Big Sur is compatible with the following computers. If your Mac isn't compatible, you might be able to install an old version of macOS instead.
El Capitan Reinstall
MacBook introduced in 2015 or later
MacBook Air introduced in 2013 or later
MacBook Pro introduced in late 2013 or later
Mac mini introduced in 2014 or later
iMac introduced in 2014 or later
iMac Pro
Mac Pro introduced in 2013 or later
View the complete list of compatible computers.
Jul 03, 2016 Re-downloaded a fresh copy of 'Install OS X El Capitan' from the App Store, re-ran Unibeast 6.2.0 on an erased 16 GB USB drive; same problem repeats when attempting an install of El Cap on a new computer: Intel Core i7 6700 CPU, Gigabyte GA-H170N-WIFI motherboard, BIOS version F4c, Kingston 16 GB DDR4 RAM, Samsung 850 EVO 250 GB SSD.
If upgrading from macOS Sierra or later, your Mac needs 35.5GB of available storage to upgrade. If upgrading from an earlier release, your Mac needs up to 44.5GB of available storage. To upgrade from OS X Mountain Lion, first upgrade to OS X El Capitan, then upgrade to macOS Big Sur.
El Capitan Cannot Be Installed On This Computer Download
Can't Install El Capitan
Download macOS Big Sur
If you're using macOS Mojave or later, get macOS Big Sur via Software Update: Choose Apple menu > System Preferences, then click Software Update.
Or use this link to open the macOS Big Sur page on the App Store: Get macOS Big Sur. Then click the Get button or iCloud download icon.
Install macOS Big Sur
After downloading, the installer opens automatically. Click Continue and follow the onscreen instructions.
Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, it might restart and show a progress bar or blank screen several times. You might find it easiest to begin installation in the evening so that it can complete overnight, if needed.
El Capitan Could Not Be Installed On Your Computer
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This Version Of El Capitan Cannot Be Installed On This Computer
After installing macOS Big Sur, you will be notified when updates to macOS Big Sur are available. To check for updates, choose Apple menu > System Preferences, then click Software Update.