Desktop client for WhatsApp Web with themes & multiple account support.
Publisher’s description
What is Altus?
Altus by Aman Harwara is open-source Windows software in the chat & messaging category. It is written in TypeScript.
Installation and requirements
The publisher provides EXE (NSIS) installers for 64-bit Windows. It can be installed for the current user only, without administrator rights. A silent install is possible with the installer’s documented switches.
Updates and version history
The current version is 5.8.1, released on July 18, 2026. The version history goes back to September 26, 2018: 93 releases, all linked to the official files. That is about 12 releases a year.
Popularity and file types
The source code on GitHub (amanharwara/altus) has 715 stars. Similar programs include Signal, Discord and Telegram Desktop.
Project description on GitHub: “Desktop client for WhatsApp Web with themes, notifications and multiple account support”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Documented silent install
- Installs without administrator rights
- Frequent updates (about 12 a year)
Cons
- No native ARM64 build
In short: Altus is an open-source chat & messaging tool for 64-bit PCs. It is actively maintained. Administrators can deploy it unattended.
Is Altus safe to download?
- The file is served by github.com, the publisher’s own domain
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
D0118D6F3B846038847B45EE9FA90ED3B612C75F1D452B022B33A1E8DF1A9033· Open the VirusTotal report for this hash - The link has not been checked yet
- The source code is public
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 93 versions ›93 versions over 8 years · about 12 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 5.8.1Latest | July 18, 2026 | — | 64-bit EXE (NSIS)64-bit EXE (NSIS) |
| 5.8.0 | May 6, 2026 | — | 64-bit EXE (NSIS)64-bit EXE (NSIS) |
| 5.7.2 | October 19, 2025 | — | 64-bit EXE (NSIS)64-bit EXE (NSIS) |
| 5.7.1 | April 19, 2025 | — | 32-bit EXE (NSIS)32-bit EXE (NSIS) |
| 5.7.0 | April 10, 2025 | — | 32-bit EXE (NSIS)32-bit EXE (NSIS) |
| 5.6.2 | April 9, 2025 | — | 32-bit EXE (NSIS)32-bit EXE (NSIS) |
| 5.6.1 | April 6, 2025 | — | 32-bit EXE (NSIS)32-bit EXE (NSIS) |
| 5.6.0 | March 8, 2025 | — | 64-bit EXE (NSIS)64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id AmanHarwara.Altus -escoop install extras/altusAltus-Setup-5.8.1.exe /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- Aman Harwara
- Category
- Chat & messaging
- Licence
- GPL-3.0
- Price
- Free
- Source code
- github.com/amanharwara/altus
- Written in
- TypeScript
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Version
- 5.8.1
- Released
- July 18, 2026
- Added to the catalogue
- August 13, 2021
- Versions listed
- 93
- Updates / year
- 11.9
- GitHub stars
- 715
- GitHub forks
- 91
- Website
- github.com
- winget ID
- AmanHarwara.Altus
- Scoop package
- extras/altus
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is Altus free?
Yes. Altus is open-source software under the GPL-3.0 licence.
Is Altus safe to download?
The download comes from github.com, which belongs to the publisher; ExeAtlas does not host or change the file. Compare its SHA256 hash with the one shown here, or open the VirusTotal report for that hash.
How do I install Altus with winget?
Open PowerShell or Windows Terminal and run the winget command shown on this page. winget downloads the official installer and checks its SHA256 hash before running it.
Can Altus be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Altus run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 64-bit version through emulation.
Where can I download an older version of Altus?
The versions page lists all 93 versions with links to their official installer files, back to September 26, 2018.
Can I use Altus without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to Altus?
Signal, Discord, Telegram Desktop, Slack and Rocket.Chat. The alternatives page compares them.
