I am often asked what type of equipment I use for my keynote presentations.
I typically use MS PowerPoint on a MacBook Air. The Presenter View in PowerPoint is very good.
On top, a must have for presentations is a presenter, or clicker. Here, I use the logitech devices, which are in my view top value for money. Specifically, I recommend this “clicker” here:
It is a bit more expensive than a standard “clicker”, but it has the priceless functionality of showing the remaining time for your presentation, and giving you a little warning sign once you near the end of your time.