Castr is a live video streaming solution platform that delivers enterprise-grade live videos globally with CDN. Live event streaming, video hosting, pre-recorded live, multi stream – all in one place using Castr.
Publisher’s description
What is Castr?
Castr by Castr is proprietary Windows software in the live streaming category.
Installation and requirements
The publisher provides EXE (NSIS) installers for 64-bit Windows. The main installer is 89.5 MB. 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 3.1.0, released on January 13, 2026. The version history goes back to June 1, 2023: 3 releases, all linked to the official files. That is about 1.1 releases a year.
Pros / Cons
Pros
- Documented silent install
- Installs without administrator rights
Cons
- Proprietary licence: check the terms and price
- No native ARM64 build
In short: Castr is a live streaming tool for 64-bit PCs. Administrators can deploy it unattended.
Is Castr safe to download?
- The file is served by download.todesktop.com; check that it is the publisher’s official mirror
- The download link uses HTTPS
- A SHA256 hash is published, so you can verify the file:
37DDAA3B5110C8C9A8B09D0D7E85B03732E26B7CA51FF1A83D53F19C8920A5AE· Open the VirusTotal report for this hash - The link answered when we last checked it (October 22, 2026)
- ExeAtlas does not host, wrap or modify installers
Related guide: How to check a file’s SHA256 hash on Windows
Recent versions
All 3 versions ›3 versions over 3 years · about 1.1 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 3.1.0Latest | January 13, 2026 | 89.5 MB | 64-bit EXE (NSIS) |
| 3.0.0 | June 13, 2025 | — | 64-bit EXE (NSIS) |
| 2.7.0 | June 1, 2023 | — | 64-bit EXE (NSIS) |
Install from the command line
Silent install ›winget install --id Castr.Castr -e"Castr Setup 3.1.0-x64.exe" /SRelated guide: How to use winget: install and update apps
Information
- Publisher
- Castr
- Category
- Live streaming
- Licence
- Proprietary
- Price
- See the publisher’s site
- Requires
- Windows 11 / 10
- Architecture
- 64-bit
- Installer
- EXE (NSIS)
- Version
- 3.1.0
- Released
- January 13, 2026
- Added to the catalogue
- January 14, 2025
- Versions listed
- 3
- Updates / year
- 1.1
- Website
- castr.com
- winget ID
- Castr.Castr
Ratings and reviews
No reviews yet. Be the first to rate it.
Alternatives to Castr
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Frequently asked questions
Is Castr free?
Castr is proprietary (closed-source) software (licence: Proprietary). Whether it costs money depends on the edition: check the publisher’s site for prices and free tiers.
Is Castr safe to download?
The download comes from download.todesktop.com; 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 Castr 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 Castr be installed silently?
Yes. The silent install page lists the exact command for each installer.
Does Castr 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 Castr?
The versions page lists all 3 versions with links to their official installer files, back to June 1, 2023.
Can I use Castr without administrator rights?
Yes, there is a per-user installer that does not need administrator rights.
What are alternatives to Castr?
Sunshine, Streamlabs Desktop, Streamlink, DistroAV and 哔哩哔哩直播姬. The alternatives page compares them.
