[Update | Video Tutorial Added] If you know or no, Google Chrome does support to 130+ language pre-installed, by default, including Regional Languages, more then your Operating System support.
Follow these steps to change language.--
Step.1: Goto Settings (Wrench Menu, on upper-right side)
Step.4: Click on add button to add more languages.
Follow these steps to change language.--
Step.1: Goto Settings (Wrench Menu, on upper-right side)
Step.2: Scroll down, click on Show Advance Setting...
Step.3: Scroll down a little further, click on Language and Spell-checker Setting... button.
Step.5: Select any language, and Then press OK.
Step.6: Click on language you added, then press Display Google Chrome in this Language.
Step.7: Relaunch Browser, and you are done.