This is not permissible as this is cheating.
It is not permissible to cheat. Those who cheat are not from the Prophet salla Allahu alaihi wa sallam.

I sell computers as a part time. My customers ask for Microsoft Office software on the computer (Word , Excel , Powerpoint etc.) Can i install a crack by which it will not ask for a licence or activation of the software as it is a 30 days free trial and after that asks for licence key.