Where you install the .dll or .rar folder ?
When people make a link i dont know who install the folder in my computer

Please help me !

WTF? I think ur Saying When u extract hack where should u put it?
If Right Then see this:
Paste it on The Finject Folder Ie: C/Documents and setting/Crosffire shits LOL (iN Crossfire shits Is the Executable Finject )
And if ur on Vista or Win 7 Run as Admin!