So as it stated on the github page of DarkRP it says this:
Please try to use the git protocol instead of SVN to get access to DarkRP. GitHub has a very nice program for it: http://windows.github.com/
If you really can’t/don’t want to use git, you can still use SVN.
SVN link: https://github.com/FPtje/DarkRP/trunk
How would I use the program that github made? I have it downloaded and logged in…now what?