can iOS X be upgraded to the Monterey operating system?

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.

One may consider upgrading to at least High Sierra macOS 10.13 before attempting the move to anything newer including Monterey. This may better position the computer for the possible further upgrade to Monterey.

Notation - for a good and reasonable experience on Catalina, Big Sur and Monterey - the computer should have a larger enough internal SSSD drive and at least 8 GB RAM. Anything's less may present a less than desired experience.

Safari will open a redirect and open the Apple Store where the download can commence

Tips Big Sir Upgrade Released Nov 2020

Tips Monterey Upgrade  Released Oct 25, 2021

Make Time Machine Backup  is very useful and can be used to Revert to Previous Working macOS

Notation - Mojave is the Last version to support 32 bit applications / extensions and Drivers. Catalina, Big Sur & Monterey 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 required update or upGrades to 64 Bit Versions.

Are there any AntiVirus, Disk Cleaner, Optimizers, Un-installers, etc installed which should be removed as per Developers Instructions. They are useless, unneeded, cause havoc and interfere with the normal  operation of the OS and may even Corrupt the OS requiring a Reinstallation

Click here and check if it's in the list.

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The running version of OS X or macOS might mean an intermediate upgrade is necessary if it’s far enough back, but it is the specific hardware model and year that determines whether a Mac can run Monterey. These Macs can run Monterey:

I have an I Mac with system 10.XX. How can I update this system.

coverin-007 wrote:

I have an I Mac with system 10.XX. How can I update this system.

Scroll up, and read. Which Mac and which Mac model year dictates the available upgrades.