Search for the official Google Translate extension in your Chrome browser (link here)
Hit ‘Add to Chrome’
Hit ‘Accept extension’ in the automatic dialog
You can now see a Google Translate icon in your top right corner
Now each time you highlight a text which is not in your default language little chrome extension icon will pop up
If you have questions, comments, or suggestions please reach out by clicking the support chat box on the lower right side of your screen.