
You might be able to do it in PowerPoint but then would need to purchase another program, Camtasia or Hexisoft, to convert to video. I am trying out the latter right now, have done only one conversion from PPT to video so cannot say more about it but a search for those two names will give you more info. MS Producer (free if you already have a valid PPT) is also supposed to convert PPT to video but I gave up on figuring it out.