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Communication at the highest security level
$ winget install --id Threema.Threema.OnPrem.2 --exact --version 2.0.64.0Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.
Threema OnPrem Beta uses MSIX. The silent install switches are (no switches needed).
Add-AppxPackage -Path .\threema-onprem-desktop-v2.0-beta62-windows-x64.msix
See the full silent install reference for Threema OnPrem Beta →
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Threema OnPrem combines proven cryptography with a self-hosted deployment concept – enabling secure communication at the highest level and complete data control.
- Protection against cyber threats: isolated infrastructure protects against government trojans, targeted attacks, and espionage
- Highest compliance standards for public sector requirements: meets the strictest security regulations for handling classified information
- End-to-end encryption: all content is consistently encrypted
- Zero-knowledge architecture: effectively prevents surveillance and targeted attacks
| Architecture | Type | Scope | Install | Download |
|---|---|---|---|---|
| x64 | MSIX | - | Direct |
Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.
No known CVEs for Threema OnPrem Beta.
Coverage is best-effort and depends on a winget package mapping to an NVD CPE entry. Absence here is not a guarantee of safety.
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