What is “nss” Package?

Libraries for security-enabled client and server applications
For more details: https://developer.mozilla.org/docs/NSS

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

  ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

• Install nss.

  brew install nss

Now, use nss!