How can I clear my cookies and cache?

Just press the "CTRL" and "H" keys. You may pick what to erase and what data to remove in the new window that appears after clicking the "Clear browsing data" option on the left.
Enter the settings menu of your browser on mobile or desktop devices. In this section, you will see the 'clear browsing data' section. After doing this, we recommend that you turn your device off once and then on again.