Instead, place a laptop below the eye-line of the camera. Break the script into short paragraphs and record it section by section until you capture a great take of each. If you plan in advance when the final video will show b-roll (supplementary footage or screenshots), you can have your talent read those lines directly off the laptop like a voice over.
Talk to your existing customers. They are the ones who already know, like, and trust you enough to buy what you're selling. Their input could help you create content that attracts more of the similar audience. Literally set aside 30 minutes to call them and ask why they hired your product to solve a problem and what content they'd like to see you produce.
When it comes time to shoot, clear out unnecessary people from the room and turn off the overhead lights. With your three-point lighting setup, there will be no need for those harsh fluorescents. When — and only when — everything is set up, call in your talent. There's nothing worse than being nervous, and then having to anxiously watch as lights are turned on and the camera is tested.