DynamoRIO is a runtime code manipulation system that supports code transformations on any part of a program, while it executes.
Publisher’s description
What is DynamoRIO?
DynamoRIO by DynamoRIO is open-source Windows software. It is written in C.
Installation and requirements
The publisher provides Portable installers for 32-bit Windows. It runs without installation (portable).
Updates and version history
The current version is 11.91.20536, released on March 28, 2026. The version history goes back to June 11, 2023: 4 releases, all linked to the official files. That is about 1.4 releases a year.
Popularity and file types
The source code on GitHub (DynamoRIO/dynamorio) has 3,187 stars.
Project description on GitHub: “Dynamic Instrumentation Tool Platform”
Pros / Cons
Pros
- Open source: the code can be inspected and built by anyone
- Portable: runs without installation
Cons
- No native ARM64 build
- 32-bit only
In short: DynamoRIO is an open-source Windows tool for 32-bit PCs.
Is DynamoRIO 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:
B5F83CE74732E4D428538FE0E1714639831E6140DF6BCA26FD739C48508493AD· 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 4 versions ›4 versions over 3 years · about 1.4 a year
| Version | Date | Size | Files |
|---|---|---|---|
| 11.91.20536Latest | March 28, 2026 | — | 32-bit ZIP |
| 11.91.20531 | March 21, 2026 | — | 32-bit ZIP |
| 11.90.20168 | March 22, 2025 | — | Any CPU ZIP |
| 9.93.19518 | June 11, 2023 | — | 64-bit ZIP |
Install from the command line
Silent install ›winget install --id DynamoRIO.DynamoRIO -eRelated guide: How to use winget: install and update apps
Information
- Publisher
- DynamoRIO
- Licence
- BSD-3-Clause-Clear
- Price
- Free
- Source code
- github.com/DynamoRIO/dynamorio
- Written in
- C
- Requires
- Windows 11 / 10
- Architecture
- 32-bit
- Installer
- Portable
- Version
- 11.91.20536
- Released
- March 28, 2026
- Added to the catalogue
- June 11, 2023
- Versions listed
- 4
- Updates / year
- 1.4
- GitHub stars
- 3,187
- GitHub forks
- 636
- Website
- github.com
- winget ID
- DynamoRIO.DynamoRIO
Ratings and reviews
No reviews yet. Be the first to rate it.
Frequently asked questions
Is DynamoRIO free?
Yes. DynamoRIO is open-source software under the BSD-3-Clause-Clear licence.
Is DynamoRIO 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 DynamoRIO 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 DynamoRIO run on ARM (Windows on Arm)?
There is no ARM64 build; Windows 11 on Arm can run the 32-bit version through emulation.
Where can I download an older version of DynamoRIO?
The versions page lists all 4 versions with links to their official installer files, back to June 11, 2023.
Can I use DynamoRIO without administrator rights?
Yes, it is portable: unpack and run it.
