Overview

404 coordinates supported browser and network fingerprint signals around a profile you select. Its browsing components run locally, between a supported browser and the sites you visit.

Understand 404

Start with Architecture to follow a request through the system, see what STATIC and Rose each handle, and understand where 404’s control ends.

Choose your path

Desktop application ↗

Use the managed app for installation, profile selection, updates, and supported system setup. Desktop guides will appear here as they are rewritten.

Self-hosted CLI ↗

Install the open source stack yourself. Choose the Windows, macOS, or Linux guide and follow the steps for your platform.

Find a specific detail

Read STATIC for the proxy and its component pages, Rose for the Windows Linux runtime, and API for the local control endpoints. Guides that have not moved yet remain in the current documentation.