Convert hex dump of file to binary (program) file on Windows?

VIM 7.x contains xxd for Windows

https://ftp.nluug.nl/pub/vim/pc/gvim73_46_s.zip

C:\Program Files (x86)\Vim\vim74>.\xxd -v
xxd V1.10 27oct98 by Juergen Weigert (Win32)

C:\Program Files (x86)\Vim\vim74>dir xxd.exe
10/08/2013  12:33 PM            70,144 xxd.exe

C:\Program Files (x86)\Vim\vim74>file xxd.exe
xxd.exe; PE32 executable for MS Windows (console) Intel 80386 32-bit

Cygwin has one also

C:\cygwin\bin>.\xxd.exe -v
xxd V1.10 27oct98 by Juergen Weigert

C:\cygwin\bin>dir xxd.exe
18/09/2015  05:44 AM            18,963 xxd.exe

C:\cygwin\bin>file xxd.exe
xxd.exe: PE32+ executable (console) x86-64, for MS Windows

use powershell format-hex command:

PS C:\path\path\Documents\blah> format-hex Util3.class


           Path: C:\blah\blah\Documents\blah\Util3.class

           00 01 02 03 04 05 06 07 08 09 0A 0B 0C 0D 0E 0F

00000000   CA FE BA BE 00 00 00 34 00 1F 0A 00 07 00 10 09  Êþº¾...4........
etc...