How to add a Timer to PowerPoint slides
評分1.0(1)OpenyourPowerPointpresentationandclickontheTimerforPowerPointadd-in.Customizeyourtimersettingstofityourpresentationneeds.Startyour ...,GotoyourslideandopentheInserttab.SelectDate&TimeintheTextsectionoftheribbon.Makeyourchoicesinthepop-u...。參考影片的文章的如下:


