These instructions assume you have already installed GeoQO before and merely want to upgrade to the latest and greatest (currently version 1.11).
Maybe do a backup
If you need to upgrade geoqo from a previous version, you may want to first back up your default database:
Extracting the source
Then, get the new source package and extract it (in this example, we'll assume command line zip):
Checking for new needed modules
It's possible that new perl modules are needed or may be desired in order to support some newer features available in the new version. You can check this by running the check-prerequisites.pl script:
And following it's instructions (or if you're on windows you may wish to use PPM to search for some of those modules).
Building and installing
Then build it:
cd geoqo-1.11 perl Makefile.PL make make install
On windows, you need to use nmake instead:
cd geoqo-1.11 perl Makefile.PL nmake nmake install