You cannot emulate PS4 or PS5 games on a standard PC. However, you can legally emulate older titles using (PS2) or RPCS3 (PS3).
My First Gran Turismo: A free, streamlined version available on the PlayStation Network designed for beginners to test the physics engine. Gran Turismo 7 Pc Download Free
Many sites will ask you to complete a “human verification” survey, download a “password manager,” or enter your credit card for a “free code.” These are phishing attempts. You’ll waste 20 minutes and get nothing but spam emails. You cannot emulate PS4 or PS5 games on a standard PC