I do not have enough time to make the post effectively. I m giving you some tricks, You have to do it.
ok...Lets start....
you can log in your friends pc without knowing password. The basic rule is,
(http://i56.tinypic.com/6t0ox1.jpg)
When log in scree comes just hit (alt+Ctrl+Delete) 2 ( twice) times. You have to click the button on the same time twice.
Now you can see a screen( user name and password) write on the user name " administrator" and click ok...You will easily enter any of your friends pc...
Note: If your friend has already given the user name and password before, It will not work.
I have one more formula, I will give you some days later. ok....
Today I give you an essential software that you can break/ recover your accounts + 14 other password like rar, pdf,..... Click on the following link are given below...
http://www.mediafire.com/?q4gjktyqmmm
Thank you.