Download PuTTY: release 0.66
This page contains
download links for
PuTTY release 0.66.
0.66, released on 2015-11-07, is not the latest release.
Latest Release page
for the most up-to-date release (currently 0.77).
Past releases of PuTTY are versions we thought were reasonably likely
to work well, at the time they were released. However, later releases
will almost always have fixed bugs and/or added new features. If you
have a problem with this release, please try
the latest release,
to see if the problem has already been fixed.
This release has known security vulnerabilities.
Consider using a later release instead, such as the latest version, 0.77.
The known vulnerabilities in this release are:
You probably want one of these. They include versions of
all the PuTTY utilities.
SECURITY WARNING: The main installer for this release was built
with a version of Inno Setup that had a DLL hijacking vulnerability.
If you need to run this file, copy it into an empty directory first,
to prevent attack by malicious DLLs in your download directory.
.EXE installer created with Inno Setup
Unix source archive
Alternative binary files
The installer packages above will provide versions of all of these
but you can download standalone binaries one
by one if you prefer.
putty.exe (the SSH and Telnet client itself)
pscp.exe (an SCP client, i.e. command-line secure file copy)
psftp.exe (an SFTP client, i.e. general file transfer sessions much like FTP)
puttytel.exe (a Telnet-only client)
plink.exe (a command-line interface to the PuTTY back ends)
pageant.exe (an SSH authentication agent for PuTTY, PSCP, PSFTP, and Plink)
puttygen.exe (a RSA and DSA key generation utility)
putty.zip (a .ZIP archive of all the above except PuTTYtel)
Browse the documentation on the web
Unix source archive
Windows source archive
Cryptographic checksums for all the above files
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(last modified on Fri May 27 09:12:16 2022)