Internet Explorer 6 (Windows)

1. From the menu, select Tools -> Internet Options.
2. If it's not selected already, click on the General tab.
3. In the Temporary Internet Files region, click Delete Files.
4. When the pop-up box appears, click OK.

Internet Explorer 7 (Windows)

1. From the menu bar on the right, select Tools -> Internet Options.
2. If it's not selected already, click on the General tab.
3. In the Browsing history section, click Delete...
4. In the Temporary Internet Files region at the top, click Delete files...
5. When the pop-up box appears, click Yes.

Firefox (Windows)

1. From the menu, select Tools -> Clear Private Data.
2. Select Cache. Make sure all other items are deselected.
3. Check the box next to Ask me before clearing private data.
4. Click Clear private data now.

Firefox (Mac)

1. From the menu, select Firefox -> Preferences.
2. Click on the Privacy tab.
3. Click on the Cache sub-tab.
4. Click the Clear button on the right.
5. Click OK.

Safari (Mac)

1. From the menu, select Safari -> Empty cache...
2. Click Empty.