An information processing apparatus which is capable of reliably switching display languages in response to depression of a language switching button. A display language on a display unit is switched to a language selected by a user from a list of languages displayed on the display unit. In response to selection of a language switching button by the user, the display language on the display unit is switched to one of a plurality of languages associated with the language switching button. Currently-displayed language information indicating a language currently displayed on the display unit is obtained when the language switching button is selected by the user. When the language switching button is selected by the user, the display language on the display unit is switched to one of the plurality of languages associated with the language switching button and different from a language currently displayed on the display unit.