I have found this very cool small video of how to hack a Windows password in very easy steps, that everyone can follow. Try for yourself:

Easy steps:

1) Boot up your computer into tryout Ubuntu environment.
2) Rename C:\windows\system32\Utilman.exe to Utilman1.exe
3) Copy C:\windows\system32\cmd.exe – and rename the copy to Utilman.exe
4) Boot back intoto windows and click the ease of access button @ the command prompt type compmgmt.msc

when you have changed you password boot back to linux
5) Delete C:\windows\system32\Utilman.exe
5.1) Rename C:\windows\system32\Utilman1.exe to Utilman.exe