The instructions listed here for clearing your browser’s cache and cookies might be different for each browser and version. If the browser or version you’re using isn’t listed here, please see the browser’s help menu.
How to clear cache and cookies:
Internet Explorer:
To find your version of Internet Explorer, click Help, then select About Internet Explorer. If you don’t see the Help menu, press Alt to show the menus.
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Internet Explorer 8.x, 9.x:
1. In Internet Explorer, click Tools > Internet options. If you don’t see the menu, press Alt on your keyboard to show menus.
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2. Select Delete Browsing History.
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3. Select the check box Cookies, History next to Temporary Internet Files.
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4. Click Delete.
5. It can take several minutes for the cache history to be deleted. Once the files have been deleted, click Okay.
Internet Explorer 7.x
1. In Internet Explorer, click Tools > Internet options. If you don’t see the menu, press Alt on your keyboard to show menus.
2. Select Delete Browsing History.
3. Click Delete files.
4. Click Yes in the confirmation window.
5. Click Close. It can take several minutes for the cache history to be deleted.
Internet Explorer 6.x
1. In Internet Explorer, click the Tools menu.
2. Select Internet Options.
3. Click the General tab.
4. Click Delete Files.
5. Click OK in the confirmation window.
6. Click OK to close the Internet Options window. It can take several minutes for the cache history to be deleted.
Mozilla Firefox:
To find your version of Firefox:
> On Windows, click Help, then click About Mozilla Firefox.
> On Mac OS X, click Firefox, then click About Mozilla Firefox.
Firefox 4.0 / 5.0 / 6.0 + for Windows:
1. Click the Firefox menu in the top left corner. Next, select the right arrow next to History >, and click Clear Recent History (or click on Tools then Clear Recent History if you don’t have the Firefox Menu) Or, you can press Ctrl+Shift+Delete to open the recent history window.
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2. Make sure Details is expanded. In the Time range to clear select Everything from the drop down. Now select Cookies and Cache from the list and uncheck everything else.
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3. Click Clear Now. Your computer will work for a moment, and the process will be complete. You’ve successfully cleared Firefox’s Cache!
Firefox 3.5 / 3.6 for Windows:
1. In Firefox, click the Tools menu.
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2. Select Clear Recent History.
3. Under Time Range to Clear, select Everything. Now select Cookies and Cache from the list and uncheck everything else
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4. Click Clear Now. Your computer will work for a moment, and the process will be complete. You’ve successfully cleared Firefox’s Cache!
Firefox 3.x and 3.5.x for Mac OS X:
1. Click the Firefox menu.
2. Select Preferences.
3. Select Advanced.
4. Click the Network tab.
5. In the “Offline Storage” section, click Clear Now.
6. Click OK.
Google Chrome:
1. Click the wrench icon on the browser toolbar. 
2. Select Tools.
3. Select Clear browsing data.
4. In the dialog that appears, select the check boxes for the types of information that you want to remove.
5. Use the menu at the top to select the amount of data that you want to delete. Select beginning of time to delete everything.
6. Click Clear browsing data.
Apple Safari:
To find your version of Safari:
> On Windows, click Help, then click About Safari.
> On Mac OS X, click Safari, then click About Safari.
Safari 3.x, 4.x and 5.x for Mac OS X:
1. Click on Safari > Reset Safari…
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2. Check both Empty the cache and Remove all cookies, then click on the Reset button.
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Safari for Windows:
1. Click the Edit (gear) icon at the upper right and click Reset Safari
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2. Uncheck all of the boxes except for Empty the Cache and Remove all cookies and click Reset.
Safari for Mobile iOS:
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1. Click on Settings from the home page.
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2. Scroll down until you see Safari. Click on it to bring up the option page.
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3. Click Clear Cookies and Data. A popup box will appear. Click Clear Cookies and Data again to confirm your choice.
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Opera:
To find your version of Opera:
> On Windows, click Help, then click About Opera.
> On Mac OS X, click Opera, then click About Opera.
Opera 9.x for Windows:
1. In Opera, click the Tools menu.
2. Click Preferences.
3. Select the Advanced tab.
4. Click History.
5. In the Disk cache section, click Empty Now.
6. Click OK to close the Preferences window.
Opera 9.x for Mac OS X:
1. Click the Opera menu.
2. Click Preferences.
3. Click the Advanced tab.
4. Click History.
5. In the Disk cache section, click Empty Now.
6. Click OK to close the Preferences window.