Suggest using Go64 to find 32 bit application before attempting the upGrade. Catalina, Big Sur & Monterey supports only 64 bit and there is no workaround. Notation - Mojave is the Last version to support 32 bit applications / extensions and Drivers. Make Time Machine Backup is very useful and can be used to Revert to Previous Working macOS Safari will open a redirect and open the Apple Store where the download can commence For Best results use Safari to commence the download as Others may not work. With the above information in-hand - follow this How to get old versions of macOS and verify what version this computer Qualifies to install. Use About this Mac from the Apple Icon on Desktop - the required Information will be there. Follow the on-screen instructions to finish installing the software update, which should take around half an hour depending on the spec of your Mac.The Age of this computer will Govern what newer version of macOS it will Qualify to install. Once the download has finished, you'll see a macOS High Sierra installer launch.
Download progress will appear in your Purchases tab. Click Download to initiate the download, and fill out your Apple ID information if prompted.Once you've backed up your Mac, launch the App Store (located in /Applications) and search for macOS High Sierra.Wait for the Time Machine backup to complete before continuing with the macOS High Sierra installation.įollow these instructions to install the macOS High Sierra update on your Mac. A progress bar will appear in the Time Machine system preference pane.If not, open System Preferences > Time Machine and click Select Backup Disk.An alert may appear asking if you want to use the drive to backup your Mac.Choose a new hard drive, or one that you don't mind erasing. Connect an external hard drive to your Mac.However, we recommend a full back up before you install it.Īpple makes it very easy to back up your Mac using Time Machine, so there is no excuse not to create a Time Machine backup before installing macOS High Sierra.įollow these steps to back up your Mac using Time Machine.
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