Jul 20, 2011 CUPERTINO, California—July 20, 2011—Apple® today announced that Mac OS® X Lion, the eighth major release of the world’s most advanced operating system with more than 250 new features, is available today as a download from the Mac® App Store™ for $29.99. The Good Mac OS X 10.8 Mountain Lion's new iCloud integration and syncing features give you the same experience on all your devices. Upgrades to several core apps bring new and useful features for. Jul 20, 2017 OS X Mavericks v10.9; OS X Mountain Lion v10.8; OS X Lion v10.7; To find your model, memory, storage, and version of OS X, choose About This Mac from the Apple menu ( ). Get Sierra from the App Store. Before upgrading, it's a good idea to back up your Mac. Then follow these steps: Open the App Store app on your Mac. Search the App Store for. If you need to purchase Mac OS X 10.7 Lion, you may order it from this page. The most current version of OS X is OS X 10.9 Mavericks. To learn more, please click here. What do you receive: An email with a content code for the Mac App Store. Note: Content codes are usually delivered within 1 business day but may occasionally take longer. Jan 15, 2020 macOS Recovery makes it easy to reinstall the Mac operating system, even if you need to erase your startup disk first. All you need is a connection to the Internet. If a wireless network is available, you can choose it from the Wi-Fi menu in the menu bar.
macOS Recovery makes it easy to reinstall the Mac operating system, even if you need to erase your startup disk first. All you need is a connection to the Internet. If a wireless network is available, you can choose it from the Wi-Fi menu in the menu bar. This menu is also available in macOS Recovery.
To start up from macOS Recovery, turn on your Mac and immediately press and hold one of the following combinations on your keyboard. Release the keys when you see an Apple logo, spinning globe, or other startup screen.
Reinstall the latest macOS that was installed on your Mac (recommended).
Upgrade to the latest macOS that is compatible with your Mac.
Reinstall the macOS that came with your Mac, or the closest version still available.
You might be prompted to enter a password, such as a firmware password or the password of a user who is an administrator of this Mac. Enter the requested password to continue.
When you see the utilities window, you have started up from macOS Recovery.
You probably don't need to erase, unless you're selling, trading in, or giving away your Mac, or you have an issue that requires you to erase. If you need to erase before installing macOS, select Disk Utility from the Utilities window, then click Continue. Learn more about when and how to erase.
When you're ready to reinstall macOS, choose Reinstall macOS from the Utilities window. Then click Continue and follow the onscreen instructions. You will be asked to choose a disk on which to install.
Please allow installation to complete without putting your Mac to sleep or closing its lid. During installation, your Mac might restart and show a progress bar several times, and the screen might be empty for minutes at a time.
If your Mac restarts to a setup assistant, but you're selling it, trading it in, or giving it away, press Command-Q to quit the assistant without completing setup. Then click Shut Down. When the new owner starts up the Mac, they can use their own information to complete setup.
The version of macOS offered by macOS Recovery might differ in certain circumstances:
If you can't get macOS Recovery to offer the installer you want, you might be able to use one of the other ways to install macOS.
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