Some or many of the Application already installed may required update or upGrades to 64 Bit Versions.Īre there any AntiVirus, Disk Cleaner, Optimizers, Un-installers, etc installed which should be removed as per Developers Instructions. 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
#Os 10.13 how to
For macOS Catalina 10.15, Open Safari and click on this link, How to get old versions of macOS Apple Support.
Click on the top left of your screen click on About This Mac to find out the year of your mac. Safari will open a redirect and open the Apple Store where the download can commence Which OS you can upgrade to will be governed by which model and year your mac is. 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. The Age of this computer will Govern what newer version of macOS it will Qualify to install.
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