Downloading Audacity Source code from SVN

I understand that in order to use Audacity with ASIO4ALL one must first download the Audacity source code. Unfortunately the instructions for doing this are spectacularly unhelpful (at least for a person with limited technical ability). A page recommended that I download from an SVN source as these are much more likely to build out-of-the-box on Windows, so I followed a link to the SVN repository. There is a list of files there, but no further instructions about what to do next. I would appreciate some detailed instructions. Thanks.

Instructions for building on Windows are here:
Be warned, building software from the source code on Windows may be difficult. (I use Linux so I’ll not be much help other than pointing you to the right documentation)