Following instructions for installing with home brew:
Pamela-Moores-iMac-53:~ pamelamoore$ brew tap caskroom/cask
Error: caskroom/cask was moved. Tap homebrew/cask-cask instead.
Pamela-Moores-iMac-53:~ pamelamoore$ brew tap homebrew/cask-cask
==> Tapping homebrew/cask-cask
Cloning into '/usr/local/Homebrew/Library/Taps/homebrew/homebrew-cask-cask'...
Username for 'https://github.com': pamelars
Password for 'https://pamelars@github.com':
remote: Repository not found.
fatal: repository 'https://github.com/Homebrew/homebrew-cask-cask/' not found
Error: Failure while executing; `git clone https://github.com/Homebrew/homebrew-cask-cask /usr/local/Homebrew/Library/Taps/homebrew/homebrew-cask-cask` exited with 128.
Pamela-Moores-iMac-53:~ pamelamoore$