The Open-Source Agentic Browser.
Publisher’s description
What is BrowserOS?
BrowserOS by BrowserOS Software Inc is open-source Windows software in the ai assistants & llms category. It is written in TypeScript.
Installation and requirements
The publisher provides EXE installers for 64-bit Windows. It can be installed for the current user only, without administrator rights.
Updates and version history
The current version is 155.0.8309.26, released on October 5, 2026. The version history goes back to July 15, 2025: 38 releases, all linked to the official files. That is about 31 releases a year. The last update is less than a month old.
Popularity and file types
The source code on GitHub (browseros-ai/BrowserOS) has 14,048 stars. On Windows it registers 8 file types, including .pdf, .html, .xhtml, .webp and .htm. Similar programs include Claude Code, Codex CLI and ChatGPT.
Project description on GitHub: “🌐 The open-source Agentic browser; alternative to ChatGPT Atlas, Perplexity Comet, Dia.”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Installs without administrator rights
- Frequent updates (about 31 a year)
- Large user base
Cons
- No native ARM64 build
- No documented silent install switch
In short: BrowserOS is an open-source ai assistants & llm tool for 64-bit PCs. It is actively maintained.
Is BrowserOS 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:
080E2AB5380B339EE89D992C53FA40BF22AB422DA14F47328321C091169F9B92· 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 38 versions ›38 versions over 1 year · about 31 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 155.0.8309.26Latest | October 5, 2026 | — | 64-bit EXE64-bit EXE |
| 151.0.8162.137 | September 15, 2026 | — | 64-bit EXE64-bit EXE |
| 151.0.8160.137 | September 7, 2026 | — | 64-bit EXE64-bit EXE |
| 148.0.7966.97 | July 18, 2026 | — | 64-bit EXE64-bit EXE |
| 148.0.7948.97 | June 17, 2026 | — | 64-bit EXE64-bit EXE |
| 146.0.7821.31 | March 21, 2026 | — | 64-bit EXE64-bit EXE |
| 146.0.7818.31 | March 12, 2026 | — | 64-bit EXE64-bit EXE |
| 146.0.7815.31 | March 9, 2026 | — | 64-bit EXE64-bit EXE |
Install from the command line
Silent install ›winget install --id BrowserOS.BrowserOS -eRelated guide: How to use winget: install and update apps
Also for other systems
brew install --cask browserosInformation
- Publisher
- BrowserOS Software Inc
- Category
- AI assistants & LLMs
- Licence
- AGPL-3.0
- Price
- Free
- Source code
- github.com/browseros-ai/BrowserOS
- Written in
- TypeScript
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE
- Version
- 155.0.8309.26
- Released
- October 5, 2026
- Added to the catalogue
- July 15, 2025
- Versions listed
- 38
- Updates / year
- 31.1
- GitHub stars
- 14,048
- GitHub forks
- 1,506
- Website
- browseros.com
- winget ID
- BrowserOS.BrowserOS
File types it opens (8)
Ratings and reviews
No reviews yet. Be the first to rate it.
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Frequently asked questions
Is BrowserOS free?
Yes. BrowserOS is open-source software under the AGPL-3.0 licence.
Is BrowserOS 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 BrowserOS 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.
Does BrowserOS 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 BrowserOS?
The versions page lists all 38 versions with links to their official installer files, back to July 15, 2025.
Can I use BrowserOS without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to BrowserOS?
Claude Code, Codex CLI, ChatGPT, GPT4All and WSL Manager. The alternatives page compares them.
