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Cortex runs in the browser without installing anything. Download an app when you need a host the browser cannot offer: This PC and SSH for Code, a desktop home for your bots, or the Design working UI.

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What to install

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Desktop apps

Desktop builds are published at releases.cortex.foundation. Install the build for your platform, open it, and sign in when the app asks — it is the same account as the web app. There are two desktop apps because the two jobs are different: Design’s working UI is a third, separate desktop app; Chat and Code can still host a canvas that you then open there.

Open releases.cortex.foundationWhat desktop adds

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The CLI

The CLI is one binary, cortex, installed from software.cortex.foundation. The installer verifies a SHA-256 checksum before it writes anything.
Then:
Cortex CLI welcome splash rendered in a 40 by 12 terminal

What a fresh install shows, even in a 40-column terminal: Welcome to Cortex, the coding agent CLI, and the empty composer.

Full steps, version pins, channels, and updates: Install the CLI.

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