How to add Language Translate to WordPress without plugin
You website should be viewed by all people around the world. This is the fastest way to add a widget in your WordPress without install any Plugin.
Using Widget in WordPress
Access the Appearance in the WordPress Admin’s Menu. Click on the Widgets.
Drag the Text Widget to Sidebar
You can see the Text Widget ( Arbitrary text or HTML ), click on it and hold your mouse then drag the Widget to Side bar. Note: Different themes in WordPress may appear in different side bar.
Copy and Paste from Google Translate
Copy the code from Google Translate and paste into the widget you added just now. Set a title for it, like Translate.
Then click Save.
Translate Widget Appear
Finally It will display the Widget to your main page.