On Google Search (Search app or Google app): Open the Google app or Search app → Profile icon → Settings → Privacy → Turn off “Search personalization” (and related personalization toggles)
On Google Search (web): Go to https://myaccount.google.com → Data & privacy → Activity controls → Turn off “Web & App Activity,” “Location History,” and “YouTube History” (as available)
On Google Account: https://myaccount.google.com → Data & privacy → Activity controls → Pause or turn off relevant activity tracking
On Google Assistant (if used): Open the Google Home app → Settings → Assistant → General → Assistant devices → toggle Assistant off (or remove the device)
On Android (voice): Settings → Google → Settings for Google apps → Search, Assistant & Voice → Google Assistant → toggle off
On Chrome (AI-like features in browser): Chrome → Settings → Privacy and security → turn off “Improve your security on the web” and other relevant personalization options
On Gemini (if available in your region/account): Open Gemini in the Google app/site → Settings → turn off “Personalized responses” (or similar) and disable chat history/saved activity
On YouTube: Open YouTube → Profile icon → Settings → Privacy → Turn off “Personalized ads” and disable relevant activity tracking in Google account controls
Clear existing activity: https://myaccount.google.com → Data & privacy → Manage your data → Delete activity (for Web & App Activity, Location History, etc.)