Open the Secrets-in-Output Scanner sidebar (activity bar icon) and click Get License. After purchase you'll receive a license key — paste it into the sidebar and click Activate License. Keys are machine-locked; use Move to another machine… in the sidebar before reinstalling on a new device.
Settings
secretsInOutputScanner.includeEntropyHeuristic (licensed only, default false): also flags generic high-entropy strings in addition to known secret formats.
Roadmap (not implemented yet)
Keychain/secret-manager fingerprint matching: planned as an unimplemented v3 feature to cut false positives against values already tracked in a user's secret manager.