We will be setting up a Ruby on Rails development environment on Mac OS X 10.11 El Capitan. Older versions of OS X are mostly compatible so follow along as far as you can and then Google search for any problems you run into. There are plenty of people who have documented solutions for them. DVD DL, Mac OS X 10.11 El Capitan Full OS Install Reinstall Recovery Upgrade. Latest certificate (expires ). Please CHECK twice if your Mac model is compatible with this macOS!! If you are not 100% sure please check the pics or message me your mac model and year and I can tell for sure if would work or not! Click on the download link that shows up, and enter the personal redemption code given to you. Open the downloaded Mac OS X El Capitan software and preview the file in the Applications folder. Click “Continue” and then select “Agree”. Click on “Install” and then enter your admin password.
On this page:
- Reinstalling Yosemite on a computer alreadyrunning it
Upgrading from previous versions to OS X 10.10 (Yosemite)
Os X 10.11 Installer
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)
Reinstalling Yosemite on a computer already running it
Reinstalling 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.
Os X El Capitan Installer Download
Reinstalling 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 Disk Utility, and then Continue.
- In Disk Utility:
- Click your hard disk in the left column, and thenclick the Erase tab.
- Next to 'Format:', make sure Mac OS Extended (Journaled)is selected. In the 'Name:' field, give your disk a name.
- If you would like to securely erase your data, click SecurityOptions..., adjust the slider accordingly, and clickOK.
- When you're ready, click Erase..., and thenErase again to erase your disk.
- Once it's completed, quit Disk Utility.
- Click Reinstall OS X, and then Continue:
- Follow the instructions on the screen, and then choose your harddisk.
- Click Install. If prompted, enter your Apple IDinformation.
- Once the installation is complete, you'll beasked to enter basic information, and have the option to transfer datafrom another computer or backup.
- From the Apple menu, select App Store, and then installany available updates.