Who Can Tell Me How To Check My Password and Username?

Becouse This PC Is My Brother Give me One~
And My Brother Say No Use Password,
But If I No Put Password, It Will Say Incorrect Password!
Like This>
[19:07:23] 220-FileZilla Server version 0.9.17 beta
[19:07:23] 220-written by Tim Kosse (Tim.Kosse@gmx.de)
[19:07:23] 220 Please visit https://www.smartftp.com/support/kb/81
[19:07:23] USER anonymous
[19:07:29] 331 Password required for anonymous
[19:07:29] PASS (hidden)
[19:07:35] 530 Login or password incorrect!

For the "anonymous" user, use any password that is formatted like an email address, e.g. "a.nonymous@smartftp.org".

Awww~
Now Get This Error~
Please Help Me~

[07:14:34] No connection could be made because the target machine actively refused it.