Convert MacOS project from older version of XCode to newer version

I have a MacOS APP with Objective-C & C/C++ code build on XCode 8.3.3 with some dependent libraries also. I want to migrate it to latest XCode version. What ere the steps I should follow? Do I need to go upgrading version by version.

Please direct me to any thread or post related to this case.

Thank you in advance.

I found a way to upgrade more directly.

I detailed this in this post: https://developer.apple.com/forums/thread/685565?answerId=682858022#682858022

Convert MacOS project from older version of XCode to newer version
 
 
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