If you don't upload your key to keybase.io, you need the command-line tool to generate the file to upload for you, and then subsequently verify it. She can't in

If you don't upload your key to keybase.io, you need the command-line tool to generate the file to upload for you, and then subsequently verify it. She can't install keybase via npm because the version of npm she has with her OS is too old to install it. Therefore, she can't verify.