To install neovim
Linux
curl -LO https://github.com/neovim/neovim/releases/latest/download/nvim.appimage;\
chmod u+x nvim.appimage;\
cp nvim.appimage /usr/bin/nvim
macOS
brew install neovim
To install Plug package manager, enter this command
Linux/macOS/Unix
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'
After this, enter neovim using the command nvim
and press :PlugInstall
in the command mode and the plugins will be installed. Then reopen your files and you are ready to use the IDE.
Check this repo wiki for more details