This Version Of Os X 10.11 Cannot Be Installed

Download diskmaker x. Download 10.11 but once the download is done quit out of the installer and run diskmaker x. Boot from the flash drive this will create and do an install from there. As always, back up your data first. I'm trying to download el capitan installer so I can create usb boot drive to clean install my macbook. I'm getting message, 'this version of os x 10.11 cannot be installed' when trying to click download from app store.

Which macOS version is installed?

Os X Mojave

From the Apple menu  in the corner of your screen, choose About This Mac. You should see the macOS name, such as macOS Big Sur, followed by its version number. If you need to know the build number as well, click the version number to see it.

Which macOS version is the latest?

As updates that change the macOS version number become available, this article is updated to show the latest version of that macOS. To get a later version, install the latest Apple software updates.

Os X 10.11.4