Proton Authenticator

Proton Authenticator 1.1.6

Secure two-factor authentication app by Proton

  • By Proton AG
  • Open Source
  • Updated Jun 8, 2026
Download for Windows

About Proton Authenticator

Secure two-factor authentication app by Proton

Technical details

PublisherProton AG
Version1.1.6
Release date2026-06-08
LicenseGPL-3.0
Installer typewix
Architecturex64
Package IDProton.ProtonAuthenticator

Install Proton Authenticator from the command line

Install with Windows Package Manager
winget install --id=Proton.ProtonAuthenticator -e
Update to the latest version
winget upgrade --id=Proton.ProtonAuthenticator -e
Uninstall
winget uninstall --id=Proton.ProtonAuthenticator -e
Silent install with the offline installer
msiexec /i "ProtonAuthenticator_1.1.6_x64_en-US.msi" /quiet /norestart
Uninstall the MSI package
msiexec /x {4C66F929-9917-4BE6-932F-2DE9F0C30DAA} /quiet

2faauthenticator

Proton Authenticator version history

1.1.5 May 12, 2026
1.1.4 Sep 15, 2025
1.1.3 Sep 8, 2025

Other versions

  • 1.1.2
  • 1.1.1
  • 1.1.0
  • 1.0.0

Frequently asked questions

Is Proton Authenticator free?

Yes. Proton Authenticator is free and open-source software released under the GPL-3.0 license.

What is the latest version of Proton Authenticator?

The latest version is 1.1.6, released on Jun 8, 2026.

Is it safe to download Proton Authenticator?

The download button links to the official installer published on proton.me, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 52e5c0b28be769910fbbf24724f552ed4a75dd8571be1004dcf6992fba3a2cb5.

Which Windows versions does Proton Authenticator support?

Proton Authenticator runs on Windows and is available for 64-bit (x64) systems.

How do I install Proton Authenticator silently?

Run the offline installer with msiexec /i "ProtonAuthenticator_1.1.6_x64_en-US.msi" /quiet /norestart, or install it with Windows Package Manager: winget install --id=Proton.ProtonAuthenticator -e --silent.

How do I uninstall Proton Authenticator?

Open Settings › Apps › Installed apps, find Proton Authenticator and select Uninstall. From the command line, run winget uninstall --id=Proton.ProtonAuthenticator -e.