About Proton Authenticator
Secure two-factor authentication app by Proton
Secure two-factor authentication app by Proton
Secure two-factor authentication app by Proton
| Publisher | Proton AG |
|---|---|
| Version | 1.1.6 |
| Release date | 2026-06-08 |
| License | GPL-3.0 |
| Installer type | wix |
| Architecture | x64 |
| Package ID | Proton.ProtonAuthenticator |
winget install --id=Proton.ProtonAuthenticator -ewinget upgrade --id=Proton.ProtonAuthenticator -ewinget uninstall --id=Proton.ProtonAuthenticator -emsiexec /i "ProtonAuthenticator_1.1.6_x64_en-US.msi" /quiet /norestartmsiexec /x {4C66F929-9917-4BE6-932F-2DE9F0C30DAA} /quietYes. Proton Authenticator is free and open-source software released under the GPL-3.0 license.
The latest version is 1.1.6, released on Jun 8, 2026.
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.
Proton Authenticator runs on Windows and is available for 64-bit (x64) systems.
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.
Open Settings › Apps › Installed apps, find Proton Authenticator and select Uninstall. From the command line, run winget uninstall --id=Proton.ProtonAuthenticator -e.