Steps to Clear Cache and Cookies in Safari Web Browser

1. Click on the "Safari" tab at the top left of your screen and choose "Preferences..." from the dropdown menu.
2. Click the "Advanced" tab of the menu that pops up.
3. At the end of the tab, select the "Show Develop menu in menu bar" box and close the Preferences menu. 
4. Click the "Develop" tab from the Safari menu at the top of the page.
5. Click "Empty Caches" from the dropdown menu.