You can reset a lost Windows password with 4 methods below:
1. Another valid administrator account which can normally log on.
2. A password reset disk or a repair disc.
3. Third-party software to create a bootable password reset CD/DVD or USB, like Windows Password Breaker, Ophcrack.
4. Re-install. Will lose data.
Source from: http://www.recoverwindowspassword.com/windows-7-password-recovery.htm
I bookmarked a good tutorial titled:
I Forgot Computer Password - How to Reset or Find Lost Password
you can Google search the title to get details!
If you are using a purchased software, then contact the vendor. If you forgot a password for your home PC operating system, the only way to reset that is to totally reload the OS (windows).
You can Google search: Forgot PC Password
Restore itouch
If you forgot the password, you can't unlock it. The only way to unlock it is to wipe out the iPod's memory completely by restoring it through iTunes.
You can't, your screwed
how do i unlock password to the 360 console
maa chuda
I forgot my password
If you have forgot your password you have to reset it via computer
micromax x550 qube
i forgot my iphone password can u plz help me
How to unlock my windows phone if i forgot password