YASAPI/NT's version 2.2.0-beta5 consists of
* "out_yasapi-nt-2.2.0-beta5-msc-gtk-bundle.exe": the plug-in
"out_yasapi-nt.dll" compiled with a community edition
of the Microsoft C compiler bundled with the GTK runtime
and wrapped into a NSIS installer,
* "out_yasapi-nt-2.2.0-beta5-msc.exe": the plug-in "out_yasapi-nt.dll"
compiled with a community edition of the Microsoft C compiler and
wrapped into a NSIS installer,
* "out_yasapi-nt-2.2.0-beta5-msc.7z": the plug-in "out_yasapi-nt.dll"
compiled with a community edition of the Microsoft C compiler and
packed into a 7z archive which has to be unpacked and the plug-in
copied to the directory "/Plugins",
* "out_yasapi-nt-2.2.0-beta5-gcc-gtk-bundle.exe": the plug-in
"out_yasapi-nt.dll" compiled with a MINGW edition
of the GNU C compiler bundled with the GTK runtime
and wrapped into a NSIS installer,
* "out_yasapi-nt-2.2.0-beta5-gcc.exe": the plug-in "out_yasapi-nt.dll"
compiled with a MINGW edition of the GNU C compiler and wrapped
into a NSIS installer,
* "out_yasapi-nt-2.2.0-beta5-gcc.7z": the plug-in "out_yasapi-nt.dll"
compiled with a MINGW edition of the GNU C compiler and packed into
a 7z archive which has to be unpacked and the plug-in copied to the
directory "/Plugins",
* "out_yasapi-nt-2.2.0-beta5.tar.gz": the plug-in's source code,
* "README": this README file.
For further information refer to
http://pbelkner.de/projects/web/out-yasapi#2.2.0-beta5
Beyond that you'll need a GTK runtime for Winamp you might download from
https://sourceforge.net/projects/yagtk-rt/files/