Download PuTTY: release 0.51
This page contains
download links for
PuTTY release 0.51.
0.51, released on 2000-12-14, 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:
putty.exe (the SSH and Telnet client itself)
pscp.exe (an SCP client, i.e. command-line secure file copy)
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)
Windows source archive
Cryptographic checksums for all the above files
If you want to comment on this web site, see the
(last modified on Tue Sep 13 08:12:51 2022)