diff --git a/README.md b/README.md
index b527c59..8ccc8e4 100644
--- a/README.md
+++ b/README.md
@@ -1,8 +1,16 @@
 # vim composer
 Manage [composer](https://getcomposer.org) in Vim
+
 ```vim
 :ComposerRun <args>
 ```
+To run command for example `:ComposerRun validate` run command validate for your json
+
+```vim
+:ComposerGet
+```
+This command exec the installation flow of composer's install. This process require `curl`
+
 
 ## Install
 ```vim
diff --git a/plugin/vim-composer.vim b/plugin/vim-composer.vim
index 2f69050..29ccfb6 100644
--- a/plugin/vim-composer.vim
+++ b/plugin/vim-composer.vim
@@ -15,16 +15,20 @@
 
 if !exists("g:composer_cmd")
     if filereadable('./composer.phar')
-        let g:composer_cmd='./composer.phar'
+        let g:composer_cmd='php ./composer.phar'
     else
         let g:composer_cmd='composer'
     endif
 endif
 
 command! -narg=* ComposerRun call s:ComposerRunFunc(<q-args>)
+command! ComposerGet call s:ComposerGetFunc()
 
 function! s:ComposerRunFunc(arg)
     let s:arg = a:arg
     exe "!".g:composer_cmd." ".s:arg
 endfunction
 
+function! s:ComposerGetFunc()
+    exe "! curl -Ss https://getcomposer.org/installer | php"
+endfunction