[Zope] missing INSTALL.txt in Z-2.5.-linux2/binary

Hi! I downloaded Zope-2.5.0-linux2-x86.tgz <Zope-2.5.0-linux2-x86.tgz/view> today, unzipped it , but the INSTALL file is missing!! Could you send me please a simple/regular installation instruction.. thanks in advance, Florian