Now a days, so many applications providing the feature to view their application in user preferred language or region language. MS CRM also provide this feature. Below are the steps to follow to enable the languages.
MS CRM -> Settings -> Administration -> Languages
Upon click on languages, one screen(as shown below) will show you the supporting languages by MS CRM. By selecting one of the required language and applying, it will the selected language to user’s preference list.
Below are the steps users to follow to change his language.
Settings (It is users settings as shown in below screen) - > Options (Click on options)-> Languages -> User Interface Language.