If the mac has no operating system on it you can use another mac that you know can run El Capitan to download

Features Of Mac OS X El Capitan System Integrity Protection. How to Perform a Clean Install of OS X El Capitan. OS X El Capitan (OS X 10.11) offers two installation methods. This guide focuses on the 'clean install' method. When you install El Capitan on your current startup drive with the clean install method, you erase everything on the drive. Jun 11, 2021 To upgrade from OS X Mountain Lion, first upgrade to OS X El Capitan, then upgrade to macOS Big Sur. 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. El Cap is faster, apple worked well on performance instead of features, marvericks and yosemite are slower and certainly on older mac’s. Upgraded to El Capitan from OS X 10.8.5.

the El Capitan installer Disk image.

Click on the link below.

Go to Download OS and click on OS X El Capitan 10.11

this downloads InstallMacOSX.dmg to your Downloads folder.

Installing El Capitan On Older Mac Operating System

The next section can only be done on a mac that is capable of running El Capitan.

This includes macs that have the potential to run El Capitan but have been upgraded to a newer OS.

A mac that came preinstalled with an OS later than El Capitan will refuse to do the next bit.

Install El Capitan On Older Macbook

When downloaded open to InstallMacOSX.pkg, double-click on

that and an installation window will open, this does not install El Capitan

but converts the InstallMacOSX.pkg to the Install OS X El Capitan.app which

you will find in your Applications folder, it should be 6.2GBs in size.

(If the installation window asks which disk you want to install to, you must pick

the disk that you are booted to at the time. Not any internal or external disk that

you want to eventually install El Capitan on, that is for later.)

Create a bootable USB installer disk using the Install OS X El Capitan.app in the Applications

folder and the createinstallmedia command in the Terminal app.

Read the instructions here,

If you do not have access to another mac that can run El Capitan then do you have a copy

of the Mac OS X Snow Leopard DVD install disk.

Install Snow Leopard from the DVD, update it to version 10.6.8.

When you have updated SL to 10.6.8 open the App Store Updates page

and install any other outstanding updates.

After doing that you can then go back to the top of this reply and sort downloading El Capitan.

Aug 1, 2021 1:40 PM