Unfortunately, we have no way to prove you legitimately own the computer you're asking for assistance with.
It's actually against forum rules for anyone to assist with hacking, removing, or bypassing a password.
Please refer to this thread for further assistance.
Long story short:
Don't remember the password: Can't help sorry!
We don't know if you actually own the computer: Can't help sorry!
Learn the hard way to write important stuff down: Priceless