What should you do if you forget your password?

What should you do if you forget your password?
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.