Method 1:
  1. Open Chrome
  2. Click on Customize and control button on the upper right hand corner User-added image
  3. Select History option
  4. Click History Ctrl+H
  5. Click Clear Browsing Data button on the left
  6. On the Clear browsing data pop up window, select desired Time range
  7. Click Clear data button
  8. Close all instances of Chrome and re-open
    • Note: In general, default settings do not need to be changed
Method 2:
  1. Open Chrome
  2. Hold down Ctrl and H keys simultaneously
  3. Click Clear Browsing Data button on the left
  4. On the Clear browsing data pop up window, select desired Time range
  5. Click Clear data button
  6. Close all instances of Chrome and re-open
    • Note: In general, default settings do not need to be changed
Please see these articles to clear cache and cookies in other browsers:
Clear Cache and Cookies in Firefox 
Clear Cache and Cookies in Internet Explorer