I recently updated this popular PowerPoint add-in (17,568 downloads in the last 12 months) to support PowerPoint 2010 including the 64 bit version. For more see the updated blog post.
TM Timer for Microsoft PowerPoint version 3.5 supports Microsoft® PowerPoint® 2010 including the 64 bit version. 2010 2007 2003 The timer add-in requires PowerPoint 2000 (or later ). The add-in provides 3 different types of time displays, though only one is active at any given time. During a slideshow, it can: 1. show the current [...]