Question of using GNUPG on Win OS

[Robert J. Hansen]

Neil Yan wrote:
> 1. Where can I download a windows version of GNUPG? The files on GNUPG
> download ftp site seems all are Linux version.

ftp://ftp.gnupg.org/gcrypt/binary/gnupg-w32cli-1.4.9.exe

> 2. How can I decrypt files by using GNUPG programmatic? Using some DLL
> API or call the command?

Calling the command.  You may find Perl to be very useful for this.

> 3. Are there any guid or documents for GNUPG windows version?

I assume you mean GUIs, as in Graphical User Interface.  (GUID is
another acronym: Globally Unique Identifier.)  Yes; Google for WinPT or
GPGshell.