Official Download Center · stable release · Windows x64

Download ARSAS 1.6.41 with verifiable release evidence.

Choose the installer for a normal engineering workstation or the portable single EXE for an approved no-install deployment. Both packages are published from verified CI artifacts and have public SHA-256 values.

Latest stable channel · ARSAS 1.6.41 · published
Single file

Portable single EXE

Best for approved test laptops, temporary evaluation or environments where installation is not preferred. Copy the EXE to a user-writable folder and run it without installing ARSAS or .NET.

File
ARSAS-Windows-x64-Portable.exe
Size
75.3 MiB
Published
13 October 2026
Signing
Not Authenticode-signed
Download portable single EXE
Installer vs Portable

Choose based on deployment—not on feature availability.

The IEC 61850 application scope is the same. The difference is how Windows stores, launches, removes and updates the package.

DecisionInstallerPortable single EXE
Best forPrimary engineering workstationApproved no-install workstation or temporary evaluation
SetupGuided Windows installationCopy and run one EXE from a writable local folder
Start menu and uninstallIncludedNot registered with Windows Installer
Update pathVerified installer download and launchManual EXE replacement recommended
Administrator rightsDepends on selected install scope and policyNormally unnecessary in an approved user-writable folder
Release integrity

Copy and verify SHA-256 before use.

The values below come from verified stable publication evidence. The combined checksum file is also available for automated or archived verification.

Installer SHA-25663101c54516ff9366302e5394f2e70d6ddef793fafdcf2191bc179311eeb1c41
Portable SHA-2564d628ac4bcdf98be9de786bac5e50811cacf26ce86f68e66381a98b1e835c709
Download SHA-256 file
PowerShell verificationGet-FileHash .\ARSAS-Windows-x64-Setup.exe -Algorithm SHA256
Windows publisher identity

Not Authenticode-signed

The current public Windows installer and portable binaries do not carry a commercial Authenticode publisher signature. Verify the published SHA-256 value before use. SmartScreen warnings are therefore possible and are not hidden from users.

Declared status: unsigned

This status is disclosed for Windows UX transparency. ARSAS package verification uses the exact tagged release, published SHA-256, source identity and supply-chain evidence below.

Known limitations

Review the current boundaries.

  • Physical relay validation remains necessary for vendor-specific values, report behavior and field network conditions that cannot be reproduced by CI.
  • Windows x64 is the only packaged desktop platform in this stable release.
  • The public portable binary is not Authenticode code-signed; Windows SmartScreen may show an unrecognized-publisher warning.
  • Raw-Ethernet GOOSE and Sampled Values workflows require an administrator-installed and approved Npcap driver, suitable capture permission and visibility of the relevant multicast traffic.
Open-source release verification

Verify the exact package against the exact tagged source.

ARSAS 1.6.41 is tied to source commit e581a26dea5545034378adbeed5b78fc80aab773. Its tagged release publishes SHA-256 checksums, an SPDX SBOM and provenance evidence beside the Windows binaries.

Package identity

Match the installer or portable filename and published SHA-256 before use.

Source identity

Release v1.6.41 points to source commit e581a26dea5545034378adbeed5b78fc80aab773; inspect the public source and history independently.

Supply-chain evidence

The tagged release carries ARSAS-Windows-x64-SBOM.spdx.json and ARSAS-Windows-x64-PROVENANCE.json; repository attestations add digest-level evidence.

These records strengthen traceability. ARSAS does not claim a reproducible build from these records, and they do not replace physical-relay or project acceptance testing.

First-run support

Do not stop at the binary.

Follow the read-first onboarding path, review common objections and inspect service-level field evidence before attempting active workflows.

Issue reporting

Report package or runtime problems with evidence.

Include version 1.6.41, package type, Windows version, exact error, screenshot or log, and whether the published checksum matched.

Review before installing

See what changed in ARSAS 1.6.41.

Read the latest screenshot, update-verification design, known limitations, release verification evidence and issue-reporting guidance.