You can clone with HTTPS, SSH, or Subversion
With Internet Explorer
You can clone with HTTPS, or Subversion
Why is Internet Explorer missing the SSH link?
From: "John Greet (GitHub Staff)"
Are you signed in to GitHub in Internet Explorer?
SSH access requires a GitHub account with a public key associated with it, even for public repositories, so we don't show the SSH remote in any browser if you are logged out.