How to Quickly Insert a Countdown Timer in PowerPoint
TheeasiestwaytoaddafreecountdowntimertoyourpresentationisthroughaPowerPointadd-in.YoujustneedtoopenPowerPointandgototheInsertribbon ...,ThenPPTimeriswhatyouneed.Addatimertoyourslidewithjustafewmouseclicks.Thishandycountdowntimerrunsinsidetheslide...。參考影片的文章的如下: