Do you regularly need to pop in in multiple languages in Windows?
This does not change your user interface language.
This also works in Windows 7.
Now, click Change Keyboards to add another keyboard language or change your default one.
Our default input language is US English, and our default keyboard is the US keyboard layout.
Click Add to insert another input language while still leaving your default input language installed.
Once your finished previewing, click close and then press Ok on the previous dialog.
Now you will see both of your keyboard languages in the Installed services box.
Also, you’re free to now change the default input language from the top menu.
This is the language that your keyboard will start with when you boot your setup.
If you click it, you’ve got the option to switch between input languages.
Alternately you’re free to switch input languages by pressing Alt+Shift on your keyboard.
Here you might change prefs for Caps Lock and change or add key sequences to change between languages.
Change keyboard language in Windows XP
The process for changing the keyboard language in Windows XP is slightly different.
Open Control Panel, and select Date, Time, Language, and Regional Options.
Select Add other languages.
Now, click Details to add another language.
Click Add to add an input language.
Here we selected Canadian French with the default layout.
Now you will see both of your keyboard languages in the Installed services box.
Click Ok, and click apply to install your language files.
You may have to insert your XP CD into your CD drive to install these files.
Now it’s possible for you to add Complex and/or Asian languages to XP, just as above.
Here is the XP taskbar language selector with Thai installed.