@rem youtube-dl.bat for easier syntax. Always includes the no check certificate option, as it doesn't hurt to have it.
@echo off
rem d:
rem cd\downloads\youtube
youtube-dl -x --no-check-certificate "%1" %2 %3 %4 %5
del /s/q *.f???.*
del /s/q *.mp4
del /s/q *.mkv
del /s/q *.webm