Experiences with professional IQ testing?

Has anyone here gone through professional IQ testing? I'm curious about your experiences, particularly:

• The Process: How did it go? Was it stressful, enjoyable, or something else?

• The Outcome: Without sharing specific numbers, how did you feel about your results? Did they match your expectations?

• Impact on You: Has knowing your IQ score changed anything for you personally or professionally?

I've been considering getting tested just out of curiosity, but I'm a bit apprehensive about the whole thing. Would love to hear your experiences and any advice you might have!