About GitHub Desktop installation
You can install GitHub Desktop on supported operating systems, which currently include macOS 11.0 or later and Windows 10 64-bit or later. If you have a GitHub or GitHub Enterprise account, you can connect your account to GitHub Desktop. For more information about creating an account, see Creating an account on GitHub. If you're part of an organization that uses Enterprise Managed Users and you do not have an account, contact your enterprise administrator.
Downloading and installing GitHub Desktop
Linux is not yet supported