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Putty

Simon Tatham Dev Tools

Works on Arm Native Arm64
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Putty runs natively on Windows on Arm.

Arm support since version 1.78.1.0. Source record updated: Mar 2, 2026.

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Compatibility overview

Publisher
Simon Tatham
Type
Native Arm64
Version
1.78.1.0
Source
Qualcomm · Source
Data updated
Sep 16, 2026
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Evidence and dates

Data updated
Sep 16, 2026
Source record updated
Mar 2, 2026
Device test date
Not recorded

An official native or architecture-neutral package was found. Package availability does not establish device test results.

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This opens a draft on GitHub. Review and submit it there. Reports require review before inclusion; a GitHub account is needed.

What this means

Install choice

Putty has a native Arm64 build. Prefer the Arm64 installer or Microsoft Store package when it is offered; that is the best path for performance and battery life.

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Developer workflow checks

Putty belongs to a developer or engineering workflow. Verify native extensions, SDKs, database drivers and any local virtualization or container dependency.

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Next step

Putty is one of the compatible Dev Tools titles. Compare it with other apps in the same category before standardizing a setup.

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Data freshness

Qualcomm · Source · Source record updated: Mar 2, 2026.

Putty on Windows on Arm — FAQ

Does Putty work on Windows on Arm (Snapdragon X)?

Putty runs natively on Windows on Arm. Arm support since version 1.78.1.0. Source record updated: Mar 2, 2026.

Is Putty native Arm64 or emulated?

Putty ships a native Arm64 build, so it runs at full speed with the best battery efficiency on Arm PCs.

Does Putty work on Snapdragon X2 Elite or NVIDIA RTX Spark?

Putty is listed as compatible with Windows on Arm, so it is a candidate for Snapdragon X2 Elite and NVIDIA RTX Spark PCs. Still test device-specific pieces such as drivers, plug-ins, GPU acceleration, anti-cheat and background services.

Which version of Putty added Windows on Arm support?

Compatibility is recorded from version 1.78.1.0 onward — make sure you're on that version or newer.