ARCHIVED: Install or upgrade OS X 10.11 (El Capitan)
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On this page:
- Upgrade from previous versions to OS X 10.11 (El Capitan)
- Reinstall El Capitan on a computer already running it
Upgrade from previous versions to OS X 10.11 (El Capitan)
- From the Apple menu, select .
- 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
in yourApplications
folder.Within the installer, click
, 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 , and then install any available updates.
Reinstall El Capitan on a computer already running it
Note:
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 IU
Secure 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 , and then . Follow the instructions on the screen, and then choose your hard disk. Click , and enter your Apple ID information if prompted.
- When the installation is complete, select from the Apple menu, and install any available updates.
Reinstall while erasing everything on your computer
-
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 , and then .
- In Disk Utility:
- Click your hard disk in the left column, and then click the tab.
- Next to "Format:", make sure is selected. In the "Name:" field, give your disk a name. Click .
- Once it's completed, quit Disk Utility.
- Click
- Follow the instructions on the screen, and then choose your hard disk.
- Click . If prompted, enter your Apple ID information.
- 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.
, and then :
- From the Apple menu, select , and then install any available updates.
This is document bfym in the Knowledge Base.
Last modified on 2021-09-07 17:15:38.