Chrome
1. Click on the three bar icon to the right of the address bar
2. Settings
3. Click History
4. Clear Browsing Data
5. Select Beginning of Time
6. Check Cached Images and Files
7. Hit Clear Browsing Data
Firefox
1. Click on the three bar icon to the right of the address bar
2. Options
3. Click 'clear your recent history'
4. Select 'Everything' in the Time range to clear
5. Check the boxes for 'Cookies' and 'Cache'
6. Click 'Clear Now'
Safari (Windows)
1. Click on the Gear icon.
2. Reset Safari
3. Check the boxes for the four items highlighted in the picture above
4. Click 'Reset'
Safari (Mac)
1. Click on 'Safari' on the menu bar
2. Preferences
3. Select the 'Advanced' tab
4. Check "Show Develop menu in menu bar'
5. A new option in the menu bar should show up, click 'Develop'
6. Click 'Empty Caches'
Internet Explorer
1. Click on 'Tools'
2. Internet Options
3. Click on 'Delete'
4. Click on 'Ok'