A client program for the SSH, Telnet and Rlogin network protocols

PuTTY (64-bit)

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PuTTY 0.74 (64-bit)

  -  2.71 MB  -  Open Source
Free Download

Security Status

  • Latest Version

    PuTTY 0.82 (64-bit)

  • Operating System

    Windows XP64 / Vista64 / Windows 7 64 / Windows 8 64 / Windows 10 64

  • User Rating

    Click to vote

  • Author / Product

    Simon Tatham / External Link

  • Filename

    putty-64bit-0.74-installer.msi

  • MD5 Checksum

    a76dd5040fb8bd78a4a5acbf445741a2

Sometimes latest versions of the software can cause issues when installed on older devices or devices running an older version of the operating system.

Software makers usually fix these issues but it can take them some time. What you can do in the meantime is to download and install an older version of PuTTY 0.74 (64-bit).


For those interested in downloading the most recent release of PuTTY (64-bit) or reading our review, simply click here.


All old versions distributed on our website are completely virus-free and available for download at no cost.


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If you have any questions or ideas that you want to share with us - head over to our Contact page and let us know. We value your feedback!

Download PuTTY 0.74 (64-bit)

  • PuTTY 0.74 (64-bit) Screenshots

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    PuTTY 0.74 (64-bit) Screenshot 1
  • PuTTY 0.74 (64-bit) Screenshot 2
  • PuTTY 0.74 (64-bit) Screenshot 3
  • PuTTY 0.74 (64-bit) Screenshot 4
  • PuTTY 0.74 (64-bit) Screenshot 5

What's new in this version:

- Security fix: if an SSH server accepted an offer of a public key and then rejected the signature, PuTTY could access freed memory, if the key had come from an SSH agent
- Security feature: new config option to disable PuTTY's dynamic host key preference policy, if you prefer to avoid giving away to eavesdroppers which hosts you have stored keys for
- Bug fix: the installer UI was illegible in Windows high-contrast mode
- Bug fix: console password input failed on Windows 7
- Bug fixes in the terminal: one instance of the dreaded "line==NULL" error box, and two other assertion failures
- Bug fix: potential memory-consuming loop in bug-compatible padding of an RSA signature from an agent
- Bug fix: PSFTP's buffer handling worked badly with some servers (particularly proftpd's mod_sftp)
- Bug fix: cursor could be wrongly positioned when restoring from the alternate terminal screen. (A bug of this type was fixed in 0.59; this is a case that that fix missed.)
- Bug fix: character cell height could be a pixel too small when running GTK PuTTY on Ubuntu 20.04 (or any other system with a similarly up-to-date version of Pango)
- Bug fix: old-style (low resolution) scroll wheel events did not work in GTK 3 PuTTY. This could stop the scroll wheel working at all in VNC

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