how can I update my macOS Catalina to a macOS big sur
how do i update my macOSCataline to a macOSBig Sur so i can use turbotaax
iMac 21.5″, macOS 10.15
The Age of this computer will Govern what newer version of macOS it will Qualify to install. Use About this Mac from the Apple Icon on Desktop - the required Information will be there.
With the above information in-hand - follow this How to get old versions of macOS and verify what version this computer Qualifies to install. For Best results use Safari to commence the download as Others may not work.
Safari will open a redirect and open the Apple Store where the download can commence.
Does this computer appear as Listed and qualifying for an upGrade to a newer version of macOS?
The below links will help identify which version of macOS this computer may Qualify to run.
If the computer Does Not appear as Qualifying for Big Sur
Perhaps either use the On - Line version of the Software or >>
Explore the Apple Trade-In Process where the Value of the exiting device could be used against the cost of a new Apple Computer, iPhone or iPad
Or Shop Refurbished Apple computers at an Apple Reduced Cost
Have used both previously and have been satisfied each time.
macOS Big Sur 11 hardware requirements
macOS Catalina 10.15 hardware requirements
Make Time Machine Backup is very useful
Notation - Mojave is the Last version to support 32 bit applications / extensions and Drivers. Catalina, Big Sur, Monterey, Ventura supports only 64 bit and there is no workaround.
Suggest using Go64 to find 32 bit application before attempting the upGrade. Some or many of the Application already installed may require an update or upGrades to 64 Bit Version
