GITHUB setup - no address associated with name

Question

I\'m trying to setup GitHub on my system and I have done all the installation and key setup process:

But during test everything phase getting the following error by

Answer 1

It means it doesn't found your HOME/.ssh/id_rsa and id_rsa.pub, and is looking for a HOME/.ssh/config file which could have defined the name 'github.com', as illustrated here.

That usually means you don't have defined what HOME is (which isn't defined by default on Windows, see this answer)