Hello F C C.,

First go here:

http://translate.google.com/manager/website/?hl=en

Follow the instructions and copy the code which you are given at the end of the procedure.

Then use the 'Insert HTML Code' icon on the editing toolbar of Step 1 General Settings > Template Customization > Header tab  to paste the code which you received (please see the screenshot attached).

Please note that you can only insert code/objects into the desktop template header  -  this feature is not available in the responsive template.

Kind regards,

Paul