Crack windows 7 password via ubuntu boot

Requirements:
1.ubuntu live cd or pendrive(consisting of ubuntu setup)
http://www.ubuntu.com/download/alternative-downloads

Procedure:
1.start up your computer

2.boot ubuntu linux cd

3.select the option try ubuntu option (DO NOT INSTALL UBUNTU its not required)
by selecting this option you do not install the system rather the ubuntu os is started via live cd or USB

4.In the ubuntu click on the folder ie the file explorer in the left panel

5.Goto the windows 7 system drive
path : windows>system32>
rename the magnify.exe as cmd.exe and
rename the cmd.exe as magnify.exe
(NOTE: While renaming you cant rename directly as both file cannot have same names
take a copy of both these files in any other folder in case you mess up)

6. reboot the system and start windows

7.On the password screen you will see an ease of access (blue icon) in the bottom left corner.
click on it and select the magnifier click OK.(It will open the command prompt)

8.In the cmd type:
cd windows\system32 (enter)
lusrmgr.msc (enter)
click on users
create a new user (with administrator privileges) or change the existing user password

enjoy!!!!

further for determining the password of the other users you can download password cracking softwares like
1.Cain and Abel (10 characters bruteforce attack)
2.LCP
3.John the ripper

4.OHP crack

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