change language in Tom clancy rainbow six siege

To change the language in the game, go to the 'gear' icon at the right top corner of the screen. Take your cursor there and you will see three options. Choose the first one and a window will open where you will see options and a 'dash bar' kind of thing. Click on the second 'dash' and than choose the language from 'second' rectangular column.
Or watch this video-
https://youtu.be/ZH5f9UUZVX4