At first we need a software to hack wifi password "minidwep-gdk". You can download the software from this link.
After you download this software you need to write this on a dvd or a cd disk. You can also make a bootable pendrive to do the hacking process. If you don't have a bootable pen drive software you can download this from below link .
Now select on Diskimage and select your "minidwep-gdk" iso file
On drive you have to select your pendrive drive.
Press okay to make a bootable pendrive with minidwep-gdk
Now we are going to hack the wifi password. We will get the password and the question about how to hack a wifi password will be end for forever.
Connect the usb pendrive and restart your pc. Then boot your pc from usb disk.