Change Computer’s password?

I acquired a new computer system coming from a pal which they utilised, it’s a mac system, they will established password protection for each obtain, hence POST can not installation any tweets, or set just about any brand-new products in.Many people reported many people could hardly remember their own password, so they provided my family any replicate in the OS, Mac pc OS IN THIS HANDSET A 12.5 VARIOUS.8-10, nonetheless once i tried using for you to obtain your OS, it explained WHEN I needed to type in some sort of password, can there be nearly anything I’ll carry out, or are I recently screwed with regard to these people find out their particular password

You must almost certainly call the apple company
http://www.apple mackintosh.com/contact/ and have what exactly recommendations they want.