Macos 10.11 Installer

This content has been archived, and is no longer maintained by Indiana University. Information here may no longer be accurate, and links may no longer be available or reliable.

On this page:

Can’t download 10.11. Download full macOS installers using installinstallmacos.py. I showed you how to download the macOS installer through the Mojave Mac App store. The thing is, a better way to download the full installer exists and is called installinstallmacos.py. I was going to explain how to use installinstallmacos.py here but now. MacOS Catalina 10.15.7 Supplemental Update 2. MacOS Catalina 10.15.7 supplemental update addresses an issue that may prevent the battery from charging in some 2016 and 2017 MacBook Pro models. For earlier versions of Mac OS X, including Mac OS X Mavericks 10.9, Mac OS X Mountain Lion 10.8, Mac OS X Lion 10.7, Mac OS X Snow Leopard 10.6, Mac OS X Leopard 10.5, Mac OS X Tiger 10.4, and before, the process to obtain those installers differs a bit. Downloading MacOS Installers via Terminal.

Reinstall El Capitan on a computer alreadyrunning it

Upgrade from previous versions to OS X 10.11 (El Capitan)

Macos 10.11 Installer Free

From the Apple menu, select App Store....
When the App Store opens, search for and download El Capitan. If you don't already have an Apple ID, you'll need to create one. You can monitor the download process in the 'Purchased' section of the App Store.
Once the download is complete, the installer should automatically open.
If it doesn't, or you don't want to complete the installation at this time, you can come back later and double-click Install OS X El Capitan in your Applications folder.
Within the installer, click Continue, agree to the license agreement, and then choose the disk where you want to install El Capitan.
After you begin the installation, your computer may need to restart more than once before finishing, and then you may be asked to enter basic information.
From the Apple menu, select App Store..., and then install any available updates.

Reinstall El Capitan on a computer already running it

To reinstall or recover El Capitan, you must have an active internet connection. If you are on campus at IU, UITS recommends the wired Ethernet network instead of wireless. However, if IUSecure is your only option, see Connect to an IU wireless network in macOS if booted from your Recovery HD.

Reinstall while keeping files, applications, and settings

Restart your computer, and immediately hold down command-r until the gray Apple logo appears.
If prompted, select your main language and then click the arrow.
Click Reinstall OS X, and then Continue. Follow the instructions on the screen, and then choose your hard disk. Click Install, and enter your Apple ID information if prompted.
When the installation is complete, select App Store... from the Apple menu, and install any available updates.

Reinstall while erasing everything on your computer

Mac Os 10.11 Download

Restart your computer, and immediately hold down command-r until the gray Apple logo appears.
If you see a screen asking you to select your main language, choose it, and then click the arrow.
Click Disk Utility, and then Continue.
In Disk Utility:
1. Click your hard disk in the left column, and then click the Erase tab.
2. Next to 'Format:', make sure OS X Extended (Journaled) is selected. In the 'Name:' field, give your disk a name. Click Erase.
3. Once it's completed, quit Disk Utility.
Click Reinstall OS X, and then Continue:
1. Follow the instructions on the screen, and then choose your hard disk.
2. Click Install. If prompted, enter your Apple ID information.
3. Once the installation is complete, you'll be asked to enter basic information, and have the option to transfer data from another computer or backup.
From the Apple menu, select App Store, and then install any available updates.