How do I delete cookies on Opera?

To delete cookies in the Opera browser, follow these simple steps based on the provided reference:

1. In your Opera browser, click the three horizontal lines located in the top-right corner.
2. Scroll down to Privacy and security, then click the Clear button beside Browsing data. This action will open the Clear browsing data window.
3. Select the box for Cookies and other site data, then click Clear data.

By following these steps, you will successfully delete the cookies stored in your Opera browser.