many thanks the threat can be closed
Threat (of not getting it work) closed, but threads aren't usually closed even after the solution is found (somebody may have more questions to ask after that too).
Usually there are the README and/or INSTALL files, but in some (rare) cases it's possible they aren't there (don't ask me why, but I found one package some years ago). In that case also inspect if there's a doc
directory (as in 'documentation') or equivalent, it would be very odd if you found a package with completely no instructions inside.
If all else fails, one can always try