PuTTY (a pun on the TTY acronym) is a combined Telnet/SSH client and VT100? TerminalEmulator for Windows. It was created 1998 and made its first SSH connection on May 29th. It is only about 350KB in size and requires no installation, just
download it and run.
If you truly can't remember where to download it just remember to search Google with the following keywords: "putty download" (and press the I'm Feeling Lucky button)
4 pages link to PuTTY: