How do I use HelloUKey to generate a key for GitHub? 1. First, launch HelloUKey - SSH Authenticator and go to the key management page: 2. Click "Create Key" to open the key creation window, and fill in the configuration as shown in the figure: 3. Copy the public key in OpenSSH format, paste it into the SSH key text box on GitHub, and save it. Next, you can use Git to pull the SSH repository; a Windows Hello authentication window will pop up during the pull. Once you've done this, your GitHub SSH private key will be protected by hardware-level security.