PuTTY Download: Official Links for Windows, Mac & Linux

Latest version 0.85, released August 16, 2026. Page updated August 22, 2026.

Official links only

Every download link on this page points to PuTTY's official file host (the.earth.li), the same files linked from developer Simon Tatham's site, with each file's SHA-256 checksum shown alongside. PuTTY is free and open source (MIT license). No bundlers, no wrapped installers, no mirrors.

PuTTY Download for Windows 11 & 10

The MSI installer includes all six tools: PuTTY (SSH client), PuTTYgen (key generator), PSCP, PSFTP, Plink, and Pageant. Pick the 64-bit x86 build unless you know your machine is Arm or ancient.

64-bit x86 installerRecommended

Recommended for nearly all Windows 10/11 PCs

putty-64bit-0.85-installer.msi

SHA-256: 2213ebacf962b709411d654a40087508a694756bc4e41c5a1c24ad86596b2511

64-bit Arm installer

Windows on Arm (Surface Pro X, Snapdragon laptops)

putty-arm64-0.85-installer.msi

SHA-256: f26059b6f6cfa7badd59a1f133af4338ad3ec68e8b0aeb0ec1dfd7d63e1c66d4

32-bit x86 installer

Only for very old PCs and Windows versions

putty-0.85-installer.msi

SHA-256: cbc48af94f6462fa3c1859f4185a1ffda360c3c760def9ad5b1e0ec1430b2e09

Portable PuTTY (No Installer, No Admin Rights)

Every PuTTY tool also ships as a standalone .exe that runs the moment you download it. This is the route on a locked-down work machine: no installer, no admin rights needed. One caveat: PuTTY stores its settings in the Windows registry, so sessions saved on one machine don't travel with the exe.

putty.exeThe SSH client alone. Runs directly, no install, no admin rights

SHA-256: d01fdb5aae8f112526040a39b0bfb9e27d813003178645e65f8d1cfdb2a26c87

putty.zipAll tools in one zip: PuTTY, PuTTYgen, PSCP, PSFTP, Plink, Pageant

SHA-256: e0b36e5381ecc78dd06a291bab25fb9d95bc991d0d864cf2741a5bde82816668

puttygen.exeKey generator alone

SHA-256: caa8870591712c44dcc76a639ae6723c62167eab6c4f1cb436b3a05d61741302

pscp.exeCommand-line SCP file copy

SHA-256: 4275310c04b4dd00cc139f93b932267df7816fda8e362d4a845660129264f3a1

psftp.exeCommand-line SFTP client

SHA-256: 3930ec27082481ea955890202f19b4cb34310fa872888064cbed4a2dd16ffe6d

plink.exeCommand-line SSH for scripts

SHA-256: 969f36879d5716aa1a9811f43a6a6510e8f08372dbeb9695b810b9c776f39c75

pageant.exeSSH key agent

SHA-256: 3bd76b57fcd09acc948268c753ea2077b0c557ca435323301a9b572661f98ecd

PuTTY Download for Linux (Ubuntu, Debian, Fedora)

PuTTY is officially packaged on Linux, GUI included. Install it from your distribution's repositories rather than downloading anything:

sudo apt install puttyUbuntu, Debian, Mint, Kali

sudo dnf install puttyFedora, RHEL

sudo pacman -S puttyArch, Manjaro

That said, most Linux users don't need it: OpenSSH is already installed, and putty-tools (the CLI-only package) covers key conversion when a .ppk file shows up.

PuTTY Download for Mac

There is no official PuTTY installer for macOS; the full PuTTY for Mac guide covers every route. The short version: install the command-line tools with Homebrew (brew install putty, which gives you puttygen, plink, and pscp in Terminal), or skip PuTTY entirely. macOS ships OpenSSH built in, so ssh user@host in Terminal covers what PuTTY does on Windows. If you want a visual client instead of a terminal, SSH Workbench runs natively on Mac. The main reason Mac users need puttygen is converting .ppk keys, which our PPK to PEM converter handles in the browser.

Is putty.org the Official Site?

No. The official PuTTY site is Simon Tatham's page at chiark.greenend.org.uk , which hosts its files on the.earth.li (the links on this page). putty.org is a third-party site owned by a commercial SSH vendor; it links to the real files but exists to advertise other products. Also skip download portals like Softonic or CNET, which have historically wrapped free tools in adware installers. Official source, or a package manager, always.

Verify Your Download Is Safe

The SHA-256 checksums shown next to each file above are pulled from PuTTY's official sha256sums file when this page is built, so you can verify against the source directly if you want. To check a file after downloading, hash it and compare:

certutil -hashfile putty-64bit-0.85-installer.msi SHA256

If the hashes differ, delete the file; you didn't get it from the real source. Release files are also GPG-signed for stricter verification.

Chromebook, iPhone & Android

PuTTY has no official builds for any of these. On a Chromebook, enable Linux (Crostini) and use the apt command in the Linux tab, or use the built-in SSH app in ChromeOS. On iPhone, iPad, and Android, use a native SSH client instead; unofficial apps named "putty" in app stores are not from the PuTTY project.

Old Versions

Every past release stays available in the official release archive. Only reach for one to reproduce a bug: versions before 0.81 contain a critical key-recovery vulnerability (CVE-2024-31497) affecting NIST P-521 keys, and older ones carry known flaws of their own. For daily use, run 0.85.

PuTTY Download FAQ

What is the official PuTTY download site?

The official page is www.chiark.greenend.org.uk/~sgtatham/putty/, maintained by PuTTY's developer Simon Tatham, with the actual files hosted on the.earth.li. Both domains look dated, which makes people doubt them, but they are the genuine source. putty.org, despite the convincing name, is an unaffiliated commercial site.

Is PuTTY safe to download?

From the official links, yes: PuTTY is open source, has been maintained since 1999, and every release ships with SHA-256 checksums and GPG signatures you can verify. The risk comes from third-party download portals, which have a history of wrapping free tools in adware installers. Stick to the official host or your OS package manager.

Which PuTTY download should I choose, 32-bit or 64-bit?

The 64-bit x86 installer, for virtually everyone. Every Windows 10 and 11 machine on an Intel or AMD chip runs it. Choose the Arm64 build only on Windows-on-Arm hardware like the Surface Pro X, and the 32-bit build only for machines from the Windows XP/Vista era. If unsure, check Settings > System > About > System type.

Can I download PuTTY without installing it?

The standalone putty.exe runs directly with no installer and no admin rights, which makes it the standard route on locked-down corporate machines. Grab putty.zip instead if you also want PuTTYgen, PSCP, and the other tools. Note that saved sessions live in the Windows registry, not next to the exe, so they stay on the machine rather than traveling with the file.

Does the PuTTY download include PuTTYgen?

The MSI installer and putty.zip both include all six tools: PuTTY, PuTTYgen, Pageant, PSCP, PSFTP, and Plink. Nothing needs downloading separately. Only the standalone putty.exe is the bare SSH client, in which case puttygen.exe is its own download, or you can generate PPK keys in the browser with our PuTTY key generator.