If you are looking to enable or disable modern search features:
: Access "AI Mode" via the tab next to "All" on a results page, or turn it on/off through Google Labs. Search ToggleSearch for:
Delete any suspicious entries like "ToggleSearch" and reset your default search engine to Google or Bing. If you are looking to enable or disable
Go to > Manage search engines and site search . Search ToggleSearch for:
: Set the search box to gain focus immediately when the popover appears. 2. Toggling AI Features in Google Search