Question

Find out which English word is that -
* Which is 8 letters.
* The first 4 letters are a question.
* 2,3,4 No. Letter is the object that protects your head.
* 6,7,8 The letter is a software.
* 7,8th The two letters are the same.

And you use this word in everyday practice.
 
Tell that word ... ❓

Answer 1

whatsapp........is the correct answer....