is it possible to install iOS 10.15 on Mac Book pro?

No version of iOS will install on a Mac computer. Macs run on macOS, not iOS.

macOS 10.15. is known as Catalina. Whether you can install it on your MacBook Pro depends on the year and model of your Mac.

macOS Catalina is compatible with these computers - Apple Support

Look for your model/year Mac. If it’s on the list you can install it. If not you can’t.

Mundo4u22 wrote:

how to install newer version iOS

What are you asking here? IOS is for idevice, ex iPhone etc

macOS 10.15.7 is Catalina you do not say what exact Mac this is—

ref: macOS Catalina is compatible with these computers - Apple Support

You can download here:

How to download and install macOS - Apple Support

Back up your data, check the application compatibility table, click here, and if your MacBook Pro is a 2012 or newer model, then on the download link for a more-recent OS.

Catalina and above won't run 32-bit software; if you choose one of them, use Go64 as well.

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Mundo4u22 wrote:

Thanks so much

that worked

Good computing Mundo4u22