Install and run
Download from trezor.io/bridge. Run the installer and ensure the background process is allowed by your OS firewall. Then open Trezor Suite or a web app that supports Bridge.
Diagnostics
If the device is not discovered, open Task Manager or Activity Monitor to see whether Bridge process is running. Check browser console messages for blocked requests and enable WebUSB if needed.
Best practice
Only accept connection prompts you initiated. Confirm every transaction on your Trezor device screen. Use the official Suite for firmware updates.