To clear cookies, cache and history in Internet Explorer 7.0:
1. Open Internet Explorer.
2. Click in the Tools button and select Delete Browsing History....

3. A dialog box will appear with options to delete Temporary Internet Files, Cookies, and History.

4. Click Delete files... to clear the browser cache and then click Yes.

5. Click Delete cookies... to clear the browser cookies and then click Yes.

6. Click Delete history... to clear the browser history and then click Yes.

Poof! Your cookies, cache and history has disappeared in Internet Explorer 7.0.