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

PuTTY (32-bit)

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PuTTY 0.75 (32-bit)

  -  2.8 MB  -  Open Source
Free Download

Security Status

  • Latest Version

    PuTTY 0.81 (32-bit)

  • Operating System

    Windows XP / Vista / Windows 7 / Windows 8 / Windows 10

  • User Rating

    Click to vote

  • Author / Product

    Simon Tatham / External Link

  • Filename

    putty-0.75-installer.msi

  • MD5 Checksum

    f50569245ae3228ef64b02bebce6df1e

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 0.75 (32-bit).


For those interested in downloading the most recent release of PuTTY (32-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 0.75 (32-bit)

  • PuTTY 0.75 (32-bit) Screenshots

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    PuTTY 0.75 (32-bit) Screenshot 1
  • PuTTY 0.75 (32-bit) Screenshot 2
  • PuTTY 0.75 (32-bit) Screenshot 3
  • PuTTY 0.75 (32-bit) Screenshot 4
  • PuTTY 0.75 (32-bit) Screenshot 5

What's new in this version:

- Security fix: on Windows, a server could DoS the whole Windows GUI by telling the PuTTY window to change its title repeatedly at high speed
- Pageant now supports loading a key still encrypted, and decrypting it later by prompting for the passphrase on first use
- Upgraded default SSH key fingerprint format to OpenSSH-style SHA-256
- Upgraded private key file format to PPK3, with improved passphrase hashing and no use of SHA-1
- Terminal now supports ESC [ 9 m for strikethrough text
- New protocols: bare ssh-connection layer for use over already-secure IPC channels, and SUPDUP for talking to very old systems such as PDP-10s
- PuTTYgen now supports alternative provable-prime generation algorithm for RSA and DSA
- The Unix tools can now connect directly to a Unix-domain socket

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