Want To Change The Language? I Gotcha
This Website is applicable to The Sims up to the Sims 4 (As per August 2024) and also for New Sims Version In the Future
Originally If you picked the Game's Language it is Automatically England English (British English) and changing the Game's Language is Possible Via Regedit.
By Starting, Click Search and type "Run" to find the Application or Find and click it if it's visible in the Start Menu, Desktop or Nearer Folder.
After You Click the Application, The Application will open, Simply type "Regedit" once you typed in correctly you will be opening and entering the Registry Editor.
As You Have Successfully Entered, Rely on This Website for the Instruction.
Goodluck!