Threema is the secure messaging app for individuals that consistently focuses on data protection and anonymity. Every message, call, and shared file is protected by proven open-source encryption technology. With Threema’s verification levels, you can see how trustworthy your contact is – so you know who you’re dealing with even without providing personal information.
Maximum control over your digital identity: you decide how much you want to disclose
Your conversations are guaranteed to be visible only to you and your contacts – never to us or third parties
No collection of user data, no ads
Anonymous use without providing a phone number or email address thanks to a randomly generated Threema ID
What's new in 2.0.68.0
New features: - Prevent screenshots and Windows Recall from recording app content Improvements: - Messages can now be forwarded within the same conversation Fixes: - Fixed a bug that prevented the app from updating itself …and various under-the-hood changes and improvements
Improvements: - Context menus can be opened in text field to access OS-level features - Additional media can be pasted in the media sharing dialog - Performance improvements for large message databases Fixes: - Fixed a bug where message edits could be applied on the secondary device even if the change was sent by a group member other than the author of the original message - Fixed a bug related to the “block unknown” option - Fixed a bug that, under certain circumstances, allowed multiple choices in single-choice polls …and various under-the-hood changes and improvements
2.0.66.0Aug 25, 2026
Improvements: - Show a summary of currently selected group members when creating or editing a group - Display larger emojis when a message consists of only emojis - Added support for Emoji 17.0 Fixes: - Fixed an issue where invalid group members could not be removed when editing a group - Fixed an issue where clicking a contact in the search results did not open a chat when no chat with that contact existed …and various under-the-hood changes and improvements
2.0.65.0Jul 20, 2026
Improvements: - New: Added a navigation sidebar Fixes: - Fixed an issue in the chat view that caused the three-dot menu to appear behind the availability status bar …and various under-the-hood changes and improvements
Other versions
2.0.64.0
2.0.63.0
2.0.62.0
2.0.61.0
2.0.59.0
2.0.58.0
Frequently asked questions
Is Threema Beta free?
Yes. Threema Beta is free and open-source software released under the AGPL-3.0 license.
What is the latest version of Threema Beta?
The latest version is 2.0.68.0, released on Sep 15, 2026.
Is it safe to download Threema Beta?
The download button links to the official installer published on releases.threema.ch, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 42ada4166bebd9499372ad839ceca1651727154a6d8c299249f07d1623b38ece.
Which Windows versions does Threema Beta support?
Threema Beta requires Windows 10 version 21H2 or later and is available for 64-bit (x64) systems.
How do I uninstall Threema Beta?
Open Settings › Apps › Installed apps, find Threema Beta and select Uninstall. From the command line, run winget uninstall --id=Threema.Threema.2 -e.
Alternatives to Threema Beta
Other Office Suites programs for Windows from different developers.
