How to crack windows password. ???

This is very easy to change a system password without knowing previous password using dos.
follow these steps.
step 1-click on start and then on run
step 2-type cmd and press enter.
now a you are on a black window of command prompt...
step 3-.Suppose you want to change the password of the account name Deepanker
write this command

net user Deepanker *
then press enter.
Now it ask for new password. Type your new password. Be careful because  password will not be shown to you while typing.then retype your password for next step.
you have successfully changed system password.

this is a simple trick using cmd. But for getting the access to others computer you can use it in different ways.Some ways are -

Trick 1 - Change other person's system password using above trick whenever get chance to work on his/her system and he is not there at that time

Trick 2 -. Try to open computer in safe mode. If administrator account is not password protected login with admin account and use above command for changing its password.

Trick 3. This trick is very powerful. You can get access to the system every time.You can change admin password also. Try to get some time to work on the system and follow these steps.

    step1- go to C:\WINDOWS\system32
    step2- copy cmd.exe to desktop and rename it to sethc.exe
    step3- move this new sethc.exe to C:\WINDOWS\system32 replace previous file with this new file

After this whenever you want to login into the system press shift key 5 times at login screen. Now you are on cmd. Change password of any account using above cmd command.

What to do if i can not get the access to follow these copy and move steps???

You can create a batch file for these copy, rename and move steps and convert it to exe using bat to exe converter . Rename this exe to a game name and give it to the user whose computer you wanna hack.
Now you can change his system on logon window and log in with your new changed password.

HAPPY HACKING