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Windows installer Beta

Download Undra

Download the signed Windows beta installer. After install, Undra may update itself to the latest beta build automatically. It works with the AI you already have: a Claude, OpenAI, or Cursor subscription, or a local model.

Download for Windows Release notes

Looks like you're on a phone. Undra is a Windows desktop app, so open undra.com/download on your PC when you're back at it. Want a feel for it right now? Explore Undra in your browser.

Security

VirusTotal Scan Report
SHA-256 EXE 6be145d2455220e4145537ff9bdea730f22657b629bf3030da289223c9c11884

Windows may show a SmartScreen reputation warning for some beta builds. Click “More info” and confirm the publisher is Butterstorm LLC before continuing. Beta builds change quickly and file formats may shift, so keep anything irreplaceable backed up.

Install once. Stay updated.

Undra's beta channel can update after launch, so you do not need to manually download every weekly build.