Gmail is a free email service which was launched by Google on 1st April, 2004 in 57 languages. To change the display language of your Gmail account, follow these steps:
>> First of all, login to your Gmail account.
>> Then click the Gear icon from the top of your screen and then select “settings” option.
>> Then a page will appear and choose “general” option from the list of tags which will appear on the top of that page.
>> Then select the display language from the dropdown box which appear on the right of the language option
>> Then select the “Save Changes” option from the bottom of your page.