Tcl/TK

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Works on Arm x86 emulation

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Tcl/TK runs on Windows on Arm through built-in x86 emulation (Prism).

Arm support since version 8.6.13.0000. Source record updated: Mar 2, 2026.

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Type: x86 emulation
Version: 8.6.13.0000
Source: Qualcomm · Source
Data updated: Mar 2, 2026

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Evidence and dates

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

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What this means

Install choice

Tcl/TK runs through Prism. Use the current x64 or x86 build, then test heavy workflows such as sync, export, plug-ins and background services.

Read the Prism guide →

Developer workflow checks

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

Set up WSL on Arm →

Next step

Tcl/TK is one of the compatible Library titles. Compare it with other apps in the same category before standardizing a setup.

Browse the category →

Data freshness

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

Tcl/TK on Windows on Arm — FAQ

Does Tcl/TK work on Windows on Arm (Snapdragon X)?

Tcl/TK runs on Windows on Arm through built-in x86 emulation (Prism). Arm support since version 8.6.13.0000. Source record updated: Mar 2, 2026.

Is Tcl/TK native Arm64 or emulated?

Tcl/TK runs through Prism, the x86 emulation layer built into Windows 11 on Arm. Most apps work well under emulation with a modest performance overhead compared to native Arm64 builds.

Does Tcl/TK work on Snapdragon X2 Elite or NVIDIA RTX Spark?

Tcl/TK 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 Tcl/TK added Windows on Arm support?

Compatibility is recorded from version 8.6.13.0000 onward — make sure you're on that version or newer.

Compatibility overview