Techno Arena

Disclaimer: Use this article for eductational purpose ONLY.

Follow these steps:

• Open command prompt (Start->Run->cmd),
• Enter the command, compmgmt.msc then press ENTER. This will open the computer management console.
• Go to local users & groups->users.
  
• Right click on any user and select "set password"
  
• 
  If you prompted "access denied" do the following:
• start>run>cmd
• then use following commands
• net user test /add (this command will make test named user)
• net localgroup administrators test /add (this command will make test user as administrators rights)
  

and use net user command to reset your admin. password.

Alternative

What if u don't know the password of your admin and still want to hack and change .. yeah u can do it ..in a very easy manner.. check this. just follow the steps.. this doesn't require u to know the admin password but still you can change it..

• Start >> Run >> [type]cmd // this will open your command prompt
• [type] net(space)user(press enter)
• [type] net(space)user(space)[windowsloginid](sp ace)*(press enter)

// e.g. : net user HOME *(press enter)

• [type] new password (press enter) and retype it (press enter).. it will show u confirmation... // caution: it won't show u the password u type.. but it still types.. the blinking pointer will b there at the same place.. but it still works..// password changed successfully.