What is a simple easy software for implementing SSH on a Windows machine?

OpenSSH is a simple, free solution for Windows machines to implement SSH. OpenSSH can be downloaded at:
http://sshwindows.sourceforge.net/download/

OpenSSH, once set up uses NTFS permission security settings and can be used for domain and local accounts.

Once installed, OpenSSH comes with an easy guide to set up users, domain and local, and also to set the home directory.