Open your Google Account
Go to Data & privacy
Under History settings, click Web & App Activity
Click Manage all Web & App Activity
Select Delete
Choose Delete today, Delete custom range, or Delete all time
Confirm the deletion
To stop future saving, turn off Web & App Activity
To delete Chrome browsing history, open Chrome
Click the three dots menu
Go to History
Click Clear browsing data
Choose the time range
Select Browsing history
Click Clear data