We will make sure that any software you are currently using will be compatible with a newer OS. If you can update to Mojave or a newer OS, please consult with us first. If you have a Mac that is too old to update to macOS 10.14 Mojave or newer, please contact us to discuss your options for replacement. What can I do if I’m still running High Sierra? In the App Store, click the Get button to start downloading the macOS installer. There it should tell you the kind of Mac you have and which macOS you’re running. High Sierra 10.13 Click the link to open the App Store page for that macOS. To see which Mac and macOS you have click on the Apple icon on the top right hand part of the screen and then click “About This Mac” in the drop-down menu. You can use the Terminal Command sudo mv /Library/. That means if you fail to replace your Mac or upgrade your macOS to a. If you get the macOS High Sierra Upgrade notification, just tap on Details. If you chose System Settings, click General on the left side of the window. This guide explains how to update your Mac OS, covering how to check for new macOS updates and upgrade to the latest macOS version. From the Apple menu in the corner of your screen, choose System Settings or System Preferences. MacBook Pro introduced in 2011 or earlier Apple will stop all security updates for macOS 10.13 High Sierra in the fall of 2020. Use Software Update Before following these steps, it's a good idea to back up your Mac. MacBook Air introduced in 2011 or earlier The following computers cannot run macOS 10.14 Mojave or higher and should be replaced by the end of the year: That means if you fail to replace your Mac or upgrade your macOS to a newer version by November, you would be putting your data at risk due to less advanced security. Apple will stop all security updates for macOS 10.13 High Sierra in the fall of 2020.

Mac os high sierra how to update