Your question is SDLC Process for a Release. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
Tell me the SDLC process for a release. Focus on how you move from requirements through testing, approval, deployment, and post-release support. Include the key stakeholders, gates, and risks you would manage.