I cannot be in UK/US/Australia on my computer. You can see in game settings menu that it states "can simply run in English". If it'sn't show up, check that you've got perhaps not downloaded any .exe files for the computer. If it hasn't produce a prompt, it may be you've installed a program. Steam Workshop. Steam may be the online store for the PC form of The Sims 4. Valve created this service...