pgRouting is available as source code as well as in binary formats (Linux, Windows, Mac OS X). If you want to install the current development version, check out the source from pgRouting Git repository.
You can find previous versions in http://download.osgeo.org/pgrouting/source/
DEB packages: https://launchpad.net/~georepublic/+archive/pgrouting
You can find previous versions in http://download.osgeo.org/pgrouting/binaries/
If you can provide additional Windows binaries, please contact us, so we can add them to the list.
pgRouting library and workshop are available on OSGeo LiveDVD: http://live.osgeo.org
OSGeo-Live is a self-contained bootable DVD, USB thumb drive or Virtual Machine based on Xubuntu, that allows you to try a wide variety of open source geospatial software without installing anything.
Check out the latest source code from pgRouting Git repository hosted at Github.
git clone git://github.com/pgRouting/pgrouting.git pgrouting
If you plan to submit patches or changes, make a fork of the repository:
Make sure you’ve got a github account and that you’re logged in. Go to: https://github.com/pgRouting/pgrouting, click the “fork” button Now you should have your own version of the repository. Use the same commands as above, but you’ll substitute your username like this:
git clone git://github.com/<username>/pgrouting.git pgrouting