This guide is really impressive that covering everything from he basic installation of Git to advanced workflows like GitFlow based development. Your step-by-step and detailed instructions for set up the SSH keys and PATs on both GitHub and GitLab are valuable, especially for beginners and its transformation method into professional development environments is good. The addition of practical Git commands and detail explanations of each operation really version control. I also appreciate the nod to best practices for set up GitHub like credentials storage and the way of securing the key management.