To delete existing data, go to Privacy and security > Delete browsing data and select "Cookies and other site data". Turn cookies on or off - Computer - Google Account Help
You can choose to "Allow third-party cookies," "Block third-party cookies in Incognito mode," or "Block third-party cookies" entirely. Cookie Settings
Most modern browsers allow you to control which cookies are saved, who can track you, and when data is cleared. To delete existing data, go to Privacy and
Navigate to Privacy and security > Third-party cookies . To delete existing data
Click the three vertical dots (More) in the top-right corner and select Settings .