The best opening words for a presentation will depend on your topic, audience, and the purpose of your presentation. Here are some possible options to consider:
"Good morning/afternoon/evening, and thank you for joining me today. My name is [your name], and I'm here to talk to you about [your topic]."
"Have you ever wondered [insert question related to your topic]? Today, I'm going to share with you [what you will be talking about or the answer to the question]."
"In today's fast-paced world, it's more important than ever to [insert topic]. In this presentation, I will be discussing [your main points or solutions]."
"According to recent statistics, [insert statistic or fact related to your topic]. This is why it's so important to [insert your topic or solution]."
"Imagine a world where [insert your topic or the problem you're solving]. Today, I'm going to show you how we can get there."
Whichever opening words you choose, it's important to be confident, clear, and engaging. Be sure to connect with your audience and create a strong first impression that will make them want to listen to the rest of your presentation.