How to change my Git username in terminal?

1. In your terminal, navigate to the repo you want to make the changes in.
2. Execute git config --list to check current username & email in your local repo.
3. Change username & email as desired. Make it a global change or specific to the local repo:
   git config [--global] user.name "Full Name"
git config [--global] user.email "email@address.com"

   Per repo basis you could also edit .git/config manually instead.

4. Done!

When performing step 2 if you see credential.helper=manager you need to open the credential manager of your computer (Win or Mac) and update the credentials there

Here is how it look on windows

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