To clear your browser cache, open the browser's history or settings menu, find the option for clearing browsing data, and select "Cached images and files" for the "All time" range. On most browsers, you can also use the keyboard shortcut Ctrl + Shift + Delete (Windows/Linux) or Cmd + Shift + Delete (Mac) to quickly open the clear browsing data window. 

For Google Chrome
  1. Click the three-dots menu in the top-right corner.
  2. Go to More tools > Clear browsing data.
  3. Set the "Time range" to All time.
  4. Check the boxes for Cookies and other site data and Cached images and files.
  5. Click Clear data.
  6. Close and restart Chrome for the changes to take effect.
For Firefox
  1. Click the menu button (three horizontal lines) in the top-right corner.
  2. Go to Settings > Privacy & Security.
  3. Under "Cookies and Site Data," click Clear Data....
  4. Ensure Cached Web Content is checked and click Clear.
  5. Alternatively, click the Library button, then History, then Clear Recent History....
  6. Set the "Time range to clear" to Everything, check the box for Cache, and click Clear Now.
For Microsoft Edge
  1. Click the three-dots menu in the top-right corner.
  2. Go to Settings.
  3. Select Privacy, search, and services from the menu on the left.
  4. Under "Clear browsing data," click Choose what to clear.
  5. Set the "Time range" to All time.
  6. Check the box for Cached images and files.
  7. Click Clear now.
  8. Close and restart the browser.
For Safari
  1. Open the Settings app on your iOS device.
  2. Scroll down and tap on the Safari menu.
  3. Scroll down and tap Clear History and Website Data.
  4. Confirm by tapping Clear History and Data again.