Not Compatible

I'm up against this as well. Some questions:

Does v24 offer anything earlier versions can't deliver? If not, you can hold out.

If your OS is not going to be upgradable, look for later model Macs. A mid 2015 15 in Retina model starts around $400 used, runs 10.12 (but not Ventura) and there are payment plans.

You can always buy a Windows PC.

Here are some ideas: https://www.creativebloq.com/features/best-laptops-for-photoshop

What version of Mac OS & what system config - please show screen shot from About This Mac?

It may be that you need to update your operating system. If you can't update your operating system, then you might consider getting a new computer.

Here are the system requirements for Photoshop:

• Photoshop system requirements