I cant get my desk top to start because I cant remember password?

[hardydarcy3]

I bought this computer and theres a password locked into it and I cant get the right password to get the computer to start up. I need to know what I need to do to get this unlocked.

 

[bignastyid]

http/www.tomsguide.com/forum/id-2317968/read-passwords-lock-codes-pin-numbers.html