Click the Download link on the updates tab to download macOS Sierra. Open the App Store and click on Updates tab. How do I upgrade my Mac from 10.6 8 to High Sierra? If you’re running Lion (10.7) or Mountain Lion (10.8), you will need to upgrade to El Capitan (10.11) first. If you’re running High Sierra (10.13), Sierra (10.12), or El Capitan (10.11), upgrade to macOS Catalina from the App Store. Can I upgrade from High Sierra to Catalina? Press Command + L again to see if macOS is still installing. When the Mac is completely off, press and hold the power button again.
Hold down the power button and wait for about 30 seconds. What do I do if my Mac is stuck updating? While the installer is being downloaded you will be able to continue to use your Mac. Click on Upgrade Now to download the installer for the new version of macOS.
Your computer will check for updates, and show that an update is available for your Mac. The following is the device compatibility information released by Apple: iMac (Late 2009 or newer)MacBook (Late 2009 or newer) Can you use your Mac while it’s updating? Can I still upgrade to macOS High Sierra?īasically, if your Mac is currently running macOS Sierra system (macOS 10.12), you can smoothly upgrade to macOS High Sierra. Users are currently unable to use the Mac during the update installation process, which can take up to an hour depending on the update.It also means that your Mac knows the exact layout of your system volume, allowing it to begin software updates in the background while you work. 20 How long does it take to upgrade from High Sierra to Big Sur?.19 Is my Mac too old for Big Sur update?.