How do you record the Timing on Keynote?

The most elegance, well-built application suitable for transforming ordinary slides into extraordinary presentation - maybe sounds unfamiliar to Windows users' ears. In most case, it's due to the fact that Keynote has its own extension; The slides and effects created in Keynote can be opened only with Keynote. However, Keynote is quite popular among Mac users; Perhaps, Steve Jobs also used Keynote for his presentations. But, as I've experienced, presentations and/or movie effects made on Keynote can surely wow your friends who own only Windows.