Downloads

Download Chowder

Standard works without an account once installed; a verified activation unlocks Pro automation, monitoring and advanced scan controls. Signing in here only confirms who downloaded which build.

Download Windows x64 Choose a Linux package Download Synology x86_64

Pre-release software

These packages are for testing and may be unsigned. Use only the links on this page, confirm the architecture and compare the published SHA-256 checksum before installation.

Windows 10 and 11

0.1.0-rc.28

x64 graphical installer for ClamAV-powered companion scans alongside Microsoft Defender. Quick, Full and Custom scanning, updates, schedules and local history.

Download Windows x64 Windows features and installation notes

Linux

0.1.0-rc.28

Separate x64 and ARM64 DEB, RPM and portable archives. ClamAV is installed as a package dependency where supported.

Download x64 DEB Download ARM64 DEB All Linux formats and requirements

Synology DSM 7

0.1.0-0028

One x86_64 SPK containing the visible DSM app and scanner stack. Synology ARM64 is withheld until it passes installation and scanning tests on native hardware.

Download x86_64 SPK Synology features and compatibility

Verify your download

Windows x64 SHA-256

93ce2cdc97aff4d063733471283f35bc6933a15f9ff8766bf5da5c540d7de0a8

Desktop release notes and all assets

Synology x86_64 SHA-256

b06b5b1edf70ca61f9f798a31c9c3ff13e7ed445bfdc52fcea7628f99108e2bf

Checksum sidecar CycloneDX SBOM

What about macOS?

The macOS application is still completing native Apple Silicon validation and is not offered here yet. We publish an architecture only after its installation and core scan journey pass on the intended hardware.

Learn before you install

Explore what ClamAV is used for, the history of ClamAV, and the history of computer viruses.