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Once all structural components, treads, and risers are installed, conduct a thorough final inspection. Walk up and down the completed stairs several times, paying close attention to their feel. Check for any wobbling, squeaking, or unevenness. Ensure all connections are tight and secure. This "final test" confirms the stability, safety, and comfort of the newly built staircase. Any minor adjustments or final cosmetic touches, like sanding or preparing for finish coatings, would be addressed after this evaluation.