You can download WPTranslator from the following link:
WPTranslator plugin allows you to add a widget to your site providing translations.
It is simple to install and you can place a widget anywhere on your site with flags or a drop down box which when clicked translates your site into the language specified.
To view the options available activate the plugin and then go to Settings > WPTranslator
1. Upload WPTranslate.zip to your /wp-content/plugins/ directory
2. Activate the plugin through the ‘Plugins’ menu in your WordPress admin area
3. Edit the plugin settings by clicking settings on the main navbar and then selecting WPTranslator
4. Go to Appearance > Widgets and drop the WPTranslator widget in to one of your side bars