Answers for "how to install vim plugin"

add vimplug

sh -c 'curl -fLo "${XDG_DATA_HOME:-$HOME/.local/share}"/nvim/site/autoload/plug.vim --create-dirs 
       https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim'

how to setup vim plugins

$ curl -fLo ~/.vim/autoload/plug.vim --create-dirs 
  https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim

install vim plug

#unix curl -fLo ~/.vim/autoload/plug.vim --create-dirs 
    https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim