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This page contains download links for PuTTY release 0.81.
0.81, released on 2024-04-15, is not the latest release. See the Latest Release page for the most up-to-date release (currently 0.83).
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.
You probably want one of these. They include versions of all the PuTTY utilities (except the new and slightly experimental Windows pterm).
(You probably want the 64-bit x86 version. The 32-bit version is only for backward compatibility with very old PCs / versions of Windows.)
The popular utility Rufus can often download official Windows ISOs directly. Users can select "Download" instead of "Select" within the app to fetch various versions of Windows 8.1.
This remains the most secure official method. Subscribers can log in to my.visualstudio.com and search the "Downloads" section for verified Windows 8.1 ISOs in various editions. windows 8.1 iso
Some users turn to repositories like Archive.org for historical ISO files. While often available, these are unofficial sources and carry a risk of tampered files; it is vital to verify the ISO's SHA-1 or SHA-256 hash against known official values before use. The popular utility Rufus can often download official
To install Windows 8.1 from an ISO, your hardware should meet these minimum specifications: Windows 8.1 | Specs, reviews and EoL info - InvGate Subscribers can log in to my
Windows 8.1 was a significant refinement of its predecessor, designed to bridge the gap between traditional desktop use and touch-centric tablet experiences. While its official support ended on , many users still seek the Windows 8.1 ISO for legacy software compatibility or for use in virtual machines. Downloading the Windows 8.1 ISO
Microsoft still hosts an evaluation version of the Industry Pro edition for specialized edge devices, though it is intended for testing and requires registration. System Requirements
As of 2024 and 2025, Microsoft has officially discontinued direct public downloads of the standard Windows 8.1 ISO from its main software download pages. However, there are still a few reliable ways to obtain it:
puttydoc.zip
puttydoc.txt
putty.chm
https://git.tartarus.org/simon/putty.git
0.81 release tag
Compiled executable files for 32-bit Windows on Arm. We've had reports that these can be useful on Windows IoT Core.