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1. Os X 10.11 Install
2. Install Os 10.11 (el Capitan)
3. Installing Os 10.11 On 1-1 Mac Pro

On this page:

• Reinstalling Yosemite on a computer alreadyrunning it

Upgrading from previous versions to OS X 10.10 (Yosemite)

OS X 10.10 (Yosemite) is no longer available for purchase from theMac App Store. If you have a previous version of the operating system,and your computer meets the system requirementsfor OS X 10.11 (El Capitan), you can upgrade directly to thatversion instead; see ARCHIVED: Install or upgrade OS X 10.11 (El Capitan)

Os X 10.11 Install

Reinstalling Yosemite on a computer already running it

Reinstalling while keeping files, applications, and settings

1. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.
2. If prompted, select your main language and then click the arrow.
3. 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.
4. When the installation is complete, select App Store... from the Apple menu, and install any available updates.

Reinstalling while erasing everything on your computer

Just before you install the new Mac OS X El Capitan, you must perform few tasks to ensure that your Mac will be ready for the installation of the software: Check Your Mac - Check whether your Mac will be able to run the new OS X 10.11. Before you take steps to update your present Mac OS X to El Capitan 10.11.6/10.11.2, check whether your Mac computer is available to download and install the new El Capitan. Check the below list and see whether your device or OS X can get the new update. Just before you install the new Mac OS X El Capitan, you must perform few tasks to ensure that your Mac will be ready for the installation of the software: Check Your Mac - Check whether your Mac will be able to run the new OS X 10.11.

Install Os 10.11 (el Capitan)

DVD DL, Mac OS X 10.11 El Capitan Full OS Install Reinstall Recovery Upgrade These DVDs are NOT original. Installing or upgrading your software from a DVD is NOT a quick process and can take 45-60 minutes to complete. Install OS X 10.11 El Capitan With These Simple Steps Overall, OS X 10.11 El Capitan features performance improvements, better Spotlight Search and an improved Multi-Window management control.

Installing Os 10.11 On 1-1 Mac Pro

1. Restart your computer, and immediately hold down command-r until the gray Apple logo appears.

2. If you see a screen asking you to select your main language,choose it, and then click the arrow.
3. Click Disk Utility, and then Continue.
4. In Disk Utility:
   1. Click your hard disk in the left column, and thenclick the Erase tab.
   2. Next to 'Format:', make sure Mac OS Extended (Journaled)is selected. In the 'Name:' field, give your disk a name.
   3. If you would like to securely erase your data, click SecurityOptions..., adjust the slider accordingly, and clickOK.
   4. When you're ready, click Erase..., and thenErase again to erase your disk.
   5. Once it's completed, quit Disk Utility.
5. Click Reinstall OS X, and then Continue:
   1. Follow the instructions on the screen, and then choose your harddisk.
   2. Click Install. If prompted, enter your Apple IDinformation.
   3. Once the installation is complete, you'll beasked to enter basic information, and have the option to transfer datafrom another computer or backup.
6. From the Apple menu, select App Store, and then installany available updates.