I forgot my password for the Administrator account in Windows Vista, how do I get it for free?

Ive been looking here and I can not find anything free, and if its free I want it to work and may not give the virus from my computer I have a HP Pavilion and it has a small sticker on the bottom that says Windows Vista can help, I need to download software for my camera on my laptop, and I can not do it without my administrator account!

Compaq 1. off 2. back and immediately start tapping the F11 key 3. chose the option NOT restore recovery option 4. choose a date before you put password

Reset Administrator Password In Windows Xp Or Vista