Internet Explorer 8

1. From the Safety menu in the upper right, click Delete Browsing History... .
   
   
2. Check Temporary Internet files, Cookies, and History, and then click Delete.

Internet Explorer 7

1. From the Tools menu in the upper right, select Delete Browsing History.
   
   
2. Next to "Temporary Internet Files", click Delete files... .

   To delete your cookies, click Delete Cookies.

3. Click Close, and then click OK to exit.

Firefox 3.5 for Windows

1. From the Tools menu, select Clear Recent History... .
   
   
2. From the Time range to clear: drop-down menu, select the desired range; to clear your entire cache, select Everything.
   
   
3. Click the down arrow next to "Details" to choose what history elements to clear (e.g., check Cookies to clear cookies). Click Clear Now.

Firefox 3 for Windows

From the Tools menu, select Clear Private Data... , and then check Cache and Cookies. Click Clear Private Data Now.

Safari

1. From the Safari menu, select Empty Cache... and Cookies... .
   
   
2. When prompted, click Empty to confirm that you want to empty the cache.

Firefox 3.5 for Mac OS X

1. From the Tools menu, select Clear Recent History... .
   
   
2. From the Time range to clear: drop-down menu, select the desired range; to clear your entire cache, select Everything.
   
   
3. Click the down arrow next to "Details" to choose what history elements to clear. Click Clear Now.

Firefox 3 for Mac OS X

1. In Firefox, from the Tools menu, select Clear Private Data.
   
   
2. Make sure Cache and Cookies are checked, and then click Clear Private Data Now.