Indesign CS4 + Photoshop CS5 install drivers and osx compatibility

Question

I need to reinstall a purchased InDesign CS4

On an operating system 10.15 Catalina (Mac)

I need to know where to access the older driver for this and also if I can run this on Catalina

And if I cannot run this on Catalina what are my options aside from downgrading my computer?

I also have lost access to my Photoshop CS5 program and license key - how can I regain this back?

Eugene Tyson · Answer

InDesign CS4 on macOS Catalina (10.15)Unfortunately, InDesign CS4 will not run on Catalina.Catalina removed all support for 32-bit applications, and as far as I know - every Creative Suite installer (CS3–CS5.5) depends on 32-bit components. Even if you somehow copied the app over manually, it will fail to launch.I don't really know of any drivers, compatibility, official workarounds. Options (without downgrading your current macOS install)You’ve got a few:A. Run an older macOS in a virtual machineInstall macOS 10.11, 10.12, or 10.13 in Parallels/VMWare.Then install CS4/CS5 inside that VM.This works reasonably well for light use.B. Use a second Mac or external drive with an older macOSIf you have an older Mac available, or can boot an older OS from an external SSD, CS4/CS5 will still run normally there. Recovering your Photoshop CS5 license keyIf you bought it from Adobe and registered the serial at the time, you may find it:Log in at Adobe Account > Plans > View your products If it’s not listed there, Adobe support probably will not reissue CS5 serial numbers anymore. Activation servers are partially shut down, so recovery may not be possible.

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