> Hello to All
>
> I want to check the Command Line Utility FBTRACEMGR,
> But I cannot find it in the firebird bin folder although I installed Firebird Release Candidate 3 (Version 2.5.0.26054).

It seems it was forgotten to be included into installer :(
Will fix it ASAP.

> Do I have to download it separately? If so - where?

Yes, you can use file from snapshot build :

http://www.firebirdsql.org/index.php?op=files&id=snapshots

Regards,
Vlad