Firefox policies

policies.json

{
  "policies": {
    "DisableTelemetry": true,
    "DisableFirefoxStudies": true,
    "ManualAppUpdateOnly": true,
    "AutofillAddressEnabled": false,
    "AutofillCreditCardEnabled": false,
    "DisableFormHistory": true,
    "NetworkPrediction": false,
    "OfferToSaveLogins": false,
    "OfferToSaveLoginsDefault": false,
    "SearchSuggestEnabled": false,
    "DisableBuiltinPDFViewer": true,
    "DontCheckDefaultBrowser": true,
    "DisablePocket": true,
    "SearchBar": "separate",
    "UserMessaging": {
      "ExtensionRecommendations": false,
      "FeatureRecommendations": false,
      "UrlbarInterventions": false,
      "SkipOnboarding": true,
      "MoreFromMozilla": false,
      "FirefoxLabs": true,
      "Locked": false
    },
    "FirefoxSuggest": {
      "WebSuggestions": false,
      "SponsoredSuggestions": false,
      "ImproveSuggest": false,
      "Locked": false
    },
    "GenerativeAI": {
      "Enabled": false,
      "Chatbot": false,
      "LinkPreviews": false,
      "TabGroups": false,
      "Locked": false
    }
  }
}

Windows - create a distribution directory and put policies.json file in there.