CD /D D:\docs\programs
SET chver=0
DEL LAST_CHANGE
wget --quiet http://commondatastorage.googleapis.com/chromium-browser-snapshots/Win/LAST_CHANGE > nul
set /p chver=< LAST_CHANGE
wget -O "D:\docs\programs\chrome-win32.zip" http://commondatastorage.googleapis.com/chromium-browser-snapshots/Win/%chver%/chrome-win32.zip
SETLOCAL ENABLEEXTENSIONS
CD /D D:\docs\programs
FOR %%X IN (*.zip) DO (
  7z x -aoa -o"D:\docs\programs\" "%%X" | FIND "Everything is Ok" >nul
  IF ERRORLEVEL 1 (
  ECHO.ERROR EXTRACTING "%%X"
  ) ELSE (
  DEL "%%X"
  )
)
DEL LAST_CHANGE
ENDLOCAL