Even though the menu is in a different language, the steps to access the language menu remain the same. However, the menu path for changing the language settings may differ, depending on the camera you are using.
MENU → / (Setup) → [ Language] → Select your desired language
MENU → (Settings) → (Main Settings) → [Language Setting] → Select your desired language →
Alternatively, follow the steps provided in the camera instruction manual for changing the language.
NOTE: The list of selectable languages may vary, depending on the product and country of purchase.