Sandboxie allows you to run your browser, or any other program, so that all changes that result from the usage are kept in a sandbox environment, which can then be deleted later.
Download: Sandboxie 3.74
Jonathan is the founder and editor-in-chief of TrustedNerd.com. Covering major tech shows such as CES, Jonathan is always there for the latest tech news. Want your gadget to be reviewed or have a release you'd like to be considered for publishing? Send Jonathan an email, jonathan [at] trustednerd.com