Download a trial of iZotope RX or grab the free Bertom Denoiser today. Your listeners will thank you for not giving them a headache.
Set your reduction amount to between 6dB and 12dB . Do not try to remove 100% of the noise. Remove 80% of it. A tiny bit of ambient noise sounds natural; a totally dead vacuum sounds fake. A Word of Caution (The "Lasagna" Principle) Here is the golden rule of noise reduction: reduce noise plugin
Most plugins have a "Delta" or "Listen" button. Press this. You will hear only the noise being removed. If you hear bits of voice or reverb tails in there, your settings are too aggressive. Download a trial of iZotope RX or grab
Think of it as Photoshop’s "Content-Aware Fill," but for sound. Do not try to remove 100% of the noise
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Follow these three steps to stay safe: