How to get the most recent file using a batch file?

Question

I have a list of zip files with date and time appended like yyyymmdd_hhmmss_Demos.zip. Now how to get the most recently added zip file in the source dir. I need

Answer 1

set Path="D:\hello\abc\old"
for /f "tokens=*" %%a in ('dir /A:-D /B /O:-D /S %Path%') do set NEW=%%a&& goto:n 
:n
echo %NEW%