Barry, i'm guessing you're not talking about the link I gave you, because the simple act of reading would have given you this...
Quote -
2007-04-09 (guess it is 10 year anniversary!)
* Now with Vista support! 32 & 64 bit. (NTFS filesystem driver now supports Vista)
* CD has better driver support, changed quite a bit.
* Mostly cosmetical changes to "chntpw" program.
* Main password reset and regedit (chntpw + ntreg) code now made GPL licensed, for those of you who care. Source available at the source page.
2006-04-06, release 060213
And I'm almost positive you can read.
The app works on Vista, i've used it several times when people bring me a computer to fix but fail to give me the passwords.