What's the latest macOS update available for my iMac 2017?

The latest system a 2017 can run is Ventura. It's good for a couple more years as far as security updates are concerned. If your current Mac is working for you keep it till your budget is ready for a new Mac upgrade. That's what I plan too do if I'm still around in 2 years.

Schwaben10 wrote:

I have a 2017 iMac with:

4.2 GHz Quad-Core Intel Core i7

Radeon Pro 580 8 GB

32 GB 2400 MHz DDR4

Running Ventura 13.6.7

I'm told this is too old to upgrade to latest OS. Is there any way to upgrade this computer short of buying a new one?

[Re-Titled by Moderator]

No

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 

Notation - Some devices and depending on the computers age may have little to no value at Trade In time.

But at least the device will not arrive to the Land Fill Site and be recycled in a responsible way by Apple

Or Shop Refurbished Apple computers at an Apple Reduced Cost

Have used both previously and have been satisfied each time.

macOS Ventura is compatible with this iMac , check if your iMac it’s listed if it’s then upgrade then upgrade to Ventura if no them your iMac dorznt support Ventura and it’s compatible with macOS Monterey

macOS Ventura is compatible with these computers - Apple Support

How to download and install macOS - Apple Support

👍. 😎