HT201475: Upgrade to OS X El Capitan
Learn about Upgrade to OS X El Capitan
-
All replies
-
Helpful answers
-
Aug 23, 2016 2:53 PM in response to janemcvideoby Kappy,You can't. You need to reinstall OS X to reinstall Mail and other default OS X applications.
Reinstall El Capitan Without Erasing Drive
Please be sure you back up.
- Restart the computer. Immediately after the chime hold down the Command and R keys until the Utility Menu appears.
- Select Disk Utility and click on the Continue button.
- Select the indented (usually, Macintosh HD) volume entry from the the side list.
- Click on the First Aid icon in the toolbar. Wait until the Done button activates, then click on it.
- Quit Disk Utility and return to the Utility Menu.
- Select Reinstall OS X and click on the Continue button.
Also, see this User Tip: Basic Steps for Upgrading OS X.