Here are the steps to record your iPhone screen:

1. Go to Settings > Control Centre, then tap the Add button next to Screen Recording.
2. Open Control Centre on your iPhone, or on your iPad.
3. Tap the grey Record button, then wait for the 3-second countdown.
4. Exit Control Centre to record your screen. Alternatively, you can customize the Control Center to add the Screen Recording feature.

You can also use third-party apps like **ScreenFlow** or **FoneLab Screen Recorder** to record your iPhone screen on a PC or Mac .

I hope that helps! Let me know if you have any other questions.