VisualSVN Server
The guys that already made VisualSVN, a plugin that integrates into Visual Studio and provides a way to manage your source code changes into Subversion, just realized VisualSVN Server.
VisualSVN Server is a package that contains everything you need to install, configure and manage Subversion server for your team on Windows platform. It includes Subversion, Apache and a management console.
VisualSVN Server is less than 6MB in size and can be downloaded and installed in a couple of minutes with just few clicks.
Creating and managing Subversion repositories has never been so easy.
Manage Subversion security policy within a familiar user interface.
And last, but not least - VisualSVN Server is completely free!