Assuming you are using a Mac
- if you don't already have Homebrew installed, install it
Install Vagrant with these commands:
brew cask install virtualbox
brew cask install vagrant
brew cask install vagrant-manager
NOTE: Vagrant had issues installing, can also use this one:
https://releases.hashicorp.com/vagrant/2.0.1/vagrant_2.0.1_x86_64.dmg