Yes, in "Rapid Typing" program for Windows you can change the language to Indian normal English.
Don't supporting tab
Unfortunately, if the program does not support tab, there may not be a way to change this setting. You may need to use a different typing program if this feature is important to you.
RapidTyping software works without using the Internet and doesn't send any user data.
RapidTyping was developed only for Windows operating system, but you can try to run it on a MAC computer using a Windows emulator like Parallels Desktop. Also you can try other typing applications developed for MAC OS X, applications like: Mavis Beacon Teaches Typing, Typing Tournament v2, Typist, Typing Instructor Platinum or Arcade Typing Tutor.
Learn typing and increase your typing skills with customized exercises.
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Yes, in "Rapid Typing" program for Windows you can change the language to Indian normal English.
Don't supporting tab
Unfortunately, if the program does not support tab, there may not be a way to change this setting. You may need to use a different typing program if this feature is important to you.
RapidTyping software works without using the Internet and doesn't send any user data.
RapidTyping was developed only for Windows operating system, but you can try to run it on a MAC computer using a Windows emulator like Parallels Desktop. Also you can try other typing applications developed for MAC OS X, applications like: Mavis Beacon Teaches Typing, Typing Tournament v2, Typist, Typing Instructor Platinum or Arcade Typing Tutor.