1. From the Apple menu  in the corner of your screen, choose System Preferences.
  2. Click Software Update.
  3. Click Update Now or Upgrade Now:
    • Update Now installs the latest updates for the currently installed version. Find out more about macOS Big Sur updates, for example.
    • Upgrade Now installs a major new version with a new name, such as macOS Big Sur. Find out more about the latest macOS upgrade or about old versions of macOS that are still available.
  1. Upgrade Os X
  2. Upgrade Osx 10.7
  3. Upgrade Osx 10.5.8

Upgrade from previous versions to OS X 10.11 (El Capitan) Reinstall El Capitan on a computer already running it. Reinstall while keeping files, applications, and settings.

If you're having difficulty finding or installing updates:

Creators of Mac, iPad, and iPhone productivity software. Proud to bring you OmniFocus, OmniOutliner, OmniGraffle, and OmniPlan. The current release, OpenFOAM-v2106, was released on. For more details, see here. Instructions for installing OpenFOAM can be found below. Create HDR photos with the look you want, from natural to artistic, using one-click presets and a large range of settings. Includes advanced editing features and a Plugin for Lightroom. Upgrade Now installs a major new version with a new name, such as macOS Big Sur. Find out more about the latest macOS upgrade or about old versions of macOS that are still available. If you're having difficulty finding or installing updates.

  • If Software Update says that your Mac is up to date, then macOS and all of the apps it installs are up to date, including Safari, Messages, Mail, Music, Photos, FaceTime, Calendar and Books.
  • If you want to update apps that were downloaded from the App Store, use the App Store to get updates.
  • If you want to update your iOS device, find out how to update iPhone, iPad or iPod touch.
  • If your Mac doesn't include Software Update, use the App Store to get updates.
  • If an error occurred while installing an update or upgrade, find out how to resolve installation issues.
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  • Reinstall El Capitan on a computer alreadyrunning it

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

Upgrade Os X

Upgrade os x
  1. From the Apple menu, select App Store....
  2. 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.
  3. 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.

  4. 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.

Upgrade Osx 10.7

Upgrade Osx

Reinstall 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.

Reinstall while erasing everything on your computer

OsxUpgrade os x el capitan

Upgrade Osx 10.5.8

  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 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.
  5. 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.
  6. From the Apple menu, select App Store, and then install any available updates.