Threema. The Secure Messenger on Windows Pc
Developed By: Threema GmbH
License: Free
Rating: 3,9/5 - 75.464 votes
Last Updated: August 05, 2026
App Details
| Version |
6.0.1 |
| Size |
41.8 MB |
| Release Date |
May 21, 25 |
| Category |
Communication Apps |
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App Permissions:
Allows an application to read the user's contacts data. [see more (20)]
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What's New:
- Various under-the-hood improvements and bug fixes [see more]
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Description from Developer:
Threema is the world’s best-selling secure messenger, used by more than 12 million people in over 175 countries, developed in Switzerland, and designed with privacy and data protec... [read more]
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About this app
On this page you can download Threema. The Secure Messenger and install on Windows PC. Threema. The Secure Messenger is free Communication app, developed by Threema GmbH. Latest version of Threema. The Secure Messenger is 6.0.1, was released on 2025-05-21 (updated on 2026-08-05). Estimated number of the downloads is more than 5,000,000. Overall rating of Threema. The Secure Messenger is 3,9. Generally most of the top apps on Android Store have rating of 4+. This app had been rated by 75,464 users, 46,785 users had rated it 5*, 14,300 users had rated it 1*.
How to install Threema. The Secure Messenger on Windows?
Instruction on how to install Threema. The Secure Messenger on Windows 10 Windows 11 PC & Laptop
In this post, I am going to show you how to install Threema. The Secure Messenger on Windows PC by using Android App Player such as BlueStacks, LDPlayer, Nox, KOPlayer, ...
Before you start, you will need to download the APK/XAPK installer file, you can find download button on top of this page. Save it to easy-to-find location.
[Note] You can also download older versions of this app on bottom of this page.
Below you will find a detailed step-by-step guide, but I want to give you a fast overview of how it works. All you need is an emulator that will emulate an Android device on your Windows PC and then you can install applications and use it - you see you're playing it on Android, but this runs not on a smartphone or tablet, it runs on a PC.
If this doesn't work on your PC, or you cannot install, comment here and we will help you!
Step By Step Guide To Install Threema. The Secure Messenger using BlueStacks
- Download and Install BlueStacks at: https://www.bluestacks.com. The installation procedure is quite simple. After successful installation, open the Bluestacks emulator. It may take some time to load the Bluestacks app initially. Once it is opened, you should be able to see the Home screen of Bluestacks.
- Open the APK/XAPK file: Double-click the APK/XAPK file to launch BlueStacks and install the application. If your APK/XAPK file doesn't automatically open BlueStacks, right-click on it and select Open with... Browse to the BlueStacks. You can also drag-and-drop the APK/XAPK file onto the BlueStacks home screen
- Once installed, click "Threema. The Secure Messenger" icon on the home screen to start using, it'll work like a charm :D
[Note 1] For better performance and compatibility, choose BlueStacks 5 Nougat 64-bit read more
[Note 2] about Bluetooth: At the moment, support for Bluetooth is not available on BlueStacks. Hence, apps that require control of Bluetooth may not work on BlueStacks.
How to install Threema. The Secure Messenger on Windows PC using NoxPlayer
- Download & Install NoxPlayer at: https://www.bignox.com. The installation is easy to carry out.
- Drag the APK/XAPK file to the NoxPlayer interface and drop it to install
- The installation process will take place quickly. After successful installation, you can find "Threema. The Secure Messenger" on the home screen of NoxPlayer, just click to open it.
Discussion
(*) is required
Threema is the world’s best-selling secure messenger, used by more than 12 million people in over 175 countries, developed in Switzerland, and designed with privacy and data protection in mind. Whether chats, calls, or files, everything is end-to-end encrypted, and no data trail is left behind. Instead of a phone number or email address, a randomly generated Threema ID serves as a unique identifier – anonymous and secure. Threema protects what really matters: your privacy.
Advantages of Threema:
· Text and voice messages, including emoji reactions
· End-to-end encrypted voice, video, and group calls
· Location sharing
· Sending files in all formats (PDF, GIF, MP3, ZIP, and more)
· Ability to edit sent messages and delete them for chat partners
· Desktop app and web client for convenient chatting on your PC
· Group creation and polls
· Light or dark mode
· No ads, no trackers, no data collection
· Identity verification of contacts by scanning their QR code
Reliable security:
· Open source and regular audits
· Servers in Switzerland
· Anonymous use possible: no phone number or email address required
· Messages are deleted from the server immediately after delivery
Do you have any questions or problems? Our FAQ can help: https://threema.com/support
Enjoy using Threema!
Threema is the world’s best-selling secure messenger, used by more than 12 million people in over 175 countries, developed in Switzerland, and designed with privacy and data protection in mind. Whether chats, calls, or files, everything is end-to-end encrypted, and no data trail is left behind. Instead of a phone number or email address, a randomly generated Threema ID serves as a unique identifier – anonymous and secure. Threema protects what really matters: your privacy.
Advantages of Threema:
· Text and voice messages, including emoji reactions
· End-to-end encrypted voice, video, and group calls
· Location sharing
· Sending files in all formats (PDF, GIF, MP3, ZIP, and more)
· Ability to edit sent messages and delete them for chat partners
· Desktop app and web client for convenient chatting on your PC
· Group creation and polls
· Light or dark mode
· No ads, no trackers, no data collection
· Identity verification of contacts by scanning their QR code
Reliable security:
· Open source and regular audits
· Servers in Switzerland
· Anonymous use possible: no phone number or email address required
· Messages are deleted from the server immediately after delivery
Do you have any questions or problems? Our FAQ can help: https://threema.com/support
Enjoy using Threema!
- Various under-the-hood improvements and bug fixes
Allows an application to read the user's contacts data.
Allows an application to write the user's contacts data.
Allows access to the list of accounts in the Accounts Service.
Allows an app to access precise location.
Allows an app to access approximate location.
Allows an application to record audio.
Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call.
Allows the app to answer an incoming phone call.
Required to be able to access the camera device.
Allows applications to open network sockets.
Allows applications to access information about networks.
Allows applications to read the sync settings.
Allows applications to write the sync settings.
Allows access to the vibrator.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.
Allows an application to modify global audio settings.
Allows an app to use fingerprint hardware.
Allows applications to access information about Wi-Fi networks.
