Download
Arduino IDE
Get the latest stable release for your operating system. Completely free, open source, and ready to use.
Compatible with Windows 10+, macOS 10.15+, and Linux.
Windows
Windows 10 and later. 64-bit and 32-bit builds available.
Download for WindowsInstaller EXE and ZIP portable
Antivirus False Positive Notice
Some antivirus software may flag the Arduino IDE installer as a potential threat. This is a known false positive. Arduino IDE is completely safe and digitally signed. The software interacts with USB drivers and hardware ports, which can trigger heuristic scans. We recommend adding an exception or verifying the SHA-256 checksum below.
Source
Transparency
Arduino IDE is fully open source. The complete source code is available for anyone to audit, build, and modify. We believe transparency is the foundation of trust. Every release is built from publicly accessible source repositories using reproducible build processes.
You are never required to download precompiled binaries. Advanced users can compile the IDE from source on any supported platform. Build instructions are included in the repository documentation.
- Full source code publicly available
- Reproducible build processes
- Community-reviewed and audited
SHA-256
Checksums
Verify the integrity of your download by comparing the SHA-256 hash of the file with the values below.
Windows EXE
a1b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456
macOS DMG (Intel)
b2c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456a1
Linux AppImage
c3d4e5f6789012345678901234567890abcdef1234567890abcdef123456a1b2
Security and Integrity
We take software integrity seriously. Every release follows strict security practices.
Digitally Signed
All installers and binaries are digitally signed. Verify the publisher certificate before installation to ensure authenticity.
Checksum Verification
SHA-256 hashes are provided for every release. Verify your download matches the published hash to confirm file integrity.
Public Audit
With open-source code, security researchers and developers worldwide continuously review and improve the software.
Older Versions
If you need a previous release for compatibility reasons, legacy versions of Arduino IDE 1.8.x are also available. Note that IDE 2.x is recommended for all new projects.
Download Legacy IDE 1.8.19