sftp between Unix & windows

[LEFT]Guys,

sftp between Unix & Windows

I'd like to get good software or a way to how to configure sftp between ( windows to Unix ) and ( Unix to windows ) to be automatic login between the different operating systems without asking password ..

Pls assist in this regard �
[/LEFT]

use a public key and then cache it with a program like ssh-agent. you could also use Kerberos.

Pls let me know what's the best program can I use it from windows to unix

from win to unix, you can use filezilla or winscp