Using something like Chrometa is a huge relief. It is really easy to use and tracks nearly everything. And not only Chrometa a great time tracking tool. It can also be used as a spying device. I know it's not free but it's worth the price. But if you're looking for a free time tracker, you may try this one http://www.ilovefreesoftware.com/04/windows/busine ss/download-time-doctor-free.html