Google Chrome

1. Click on the three vertical dots in the top right-hand side of the browser toolbar. 
2. Click on Settings.
3. Click on Show advanced settings.
4. Under Privacy you will see two buttons:  Content Settings and Clear browsing data.
5. Click on Clear browsing data.
6. Tick Cookies and other site and plugin data and Cached images and files.
7. Select the time frame you want to delete and click Clear browsing data.

Microsoft Edge

1. Click on the three horizontal dots in the upper right-hand corner of your browser toolbar. 
2. Click on Settings.
3. You should then see Clear Browsing Data. Click on Choose what to clear.
4. Tick Cookies and saved website data and Cached data and files.
5. Click Clear.

Firefox:

1. Click on the Firefox menu.
2. Click on History.
3. Click on Clear Recent History.
4. Select Everything in the Time range to clear box.
5. Tick the boxes for Browsing & Download History, Form & Search History, Cookies and Cache. 
6. Click Clear Now.