polyuf.blogg.se - How to upgrade mac os x lion to high sierra

Your computer will check for critical updates in the background and, if any are available, download them automatically to your computer.Install system data files and security updates Go to System Preferences then select App Store.ĭownload newly available updates in the background.To make sure you keep up-to-date with operating system updates, set Software Update to automatically check for and prompt you to install new critical updates. Keep Up-to-Date with Automatic Software Update macOS High Sierra 10.13 - Currently supported by Apple only.įrom your Mac desktop, click the Apple icon in the top left corner of the screen, select App Store, then click Updates.macOS Sierra 10.12 - Currently supported at Amherst College and by Apple.OS X 10.11 El Capitan - We recommend you upgrade to the latest supported.OS X 10.10 Yosemite - We recommend you upgrade to the latest supported.OS X 10.9 Mavericks - We recommend you upgrade to the latest supported.

OS X 10.8.x Mountain Lion - We recommend you upgrade to the latest supported.

OS X 10.7.x Lion - Apple no longer supports this OS, upgrade to the latest supported.

Just under OS X it will indicate what version you have.

To check what version of OS X your Mac has, on your Mac desktop click the Apple icon in the top left corner of the screen then select About This Mac.

From the Apple menu, select Software Update.Check if your Operating System is Current.

Once the installation is complete, you will be asked toĮnter basic information and have the option to transfer data from Click Install and enter your Apple ID information if Follow the instructions and then choose your hardĭisk.

Click Reinstall Mac OS X, and then clickĬontinue.

Options., adjust the slider accordingly, and click

If you would like to securely erase your data, click Security.

Next to "Format:", make sure Mac OS Extended (Journaled).

In Disk Utility, from the left column, click your hard.

Restart your computer, and immediately hold down command-r until the gray Apple logo appears. Reinstalling while erasing everything on your computer from the Apple menu, and install any available updates.

When the installation is complete, select App Store.

Click Install, and enter your Apple ID information if prompted. Follow the instructions on the screen, and then choose your hard disk.

Click Reinstall OS X, and then Continue.

If prompted, select your main language and then click the arrow.

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