You can download the latest version of the Environment Variables Unit directly from SourceForge as
Download release v3.0.0 from SourceForge
Environment Variables Unit is a sub-project of the DDabLib project which is maintained in a Subversion repository. The code is developed in the
Subversion users can check out the source code of the current release from the repository on SourceForge by doing:
svn checkout http://svn.code.sf.net/p/ddablib/code/tags/projects/envvars/release-3.0.0 codedir
codedir is the directory where you want to checkout code. To check out other versions, simply specify a different version number.
The latest development tree can be checked out using:
svn checkout http://svn.code.sf.net/p/ddablib/code/trunk/projects/envvars codedir
Check outs are read only, but you can easily contribute code: see Feedback & Queries below.