I recently acquired my mac from my brother who got it from his friend as collateral for a loan that was never paid off... Anyway.. I can't get ahold of the previous owner to gain his password to keychain and I desperately need it to install programs and such. Outside of going to a mac store (the nearest is two hours away), is there anyway to get the password or reset it so I don't lose everything on the computer? I have things like office suite and such that I haven't the disks or codes for so I really need to avoid slicking the HDD and getting new software. Any help would be appreciated, thanks in advance.