apsync-log-downloader-windows.zip includes:
1. apsync-download-logs-to-here.bat which attempts to connect to a companion computer setup using apsync and download log files to the current directory
2. pscp.exe - the Putty scop application for windows which can be found here: 

Putty links:
binary: http://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html
user manual: https://the.earth.li/~sgtatham/putty/0.67/htmldoc/
sourcde code: https://git.tartarus.org/?p=simon/putty.git

APSync introduction: http://ardupilot.org/dev/docs/apsync-intro.html
