i. Show all plugin list - :PluginList
ii. Install plugin - :PluginInstall
Press o to open the file in a new buffer or open/close directory.Press t to open the file in a new tab.Press i to open the file in a new horizontal split.Press s to open the file in a new vertical split.Press p to go to parent directory.Press r to refresh the current directory.Press m to launch NERDTree menu inside Vim.