To use Siri on your iPhone, you need first to turn on Siri, then activate it with the command “Hey Siri.” Here is how to enable Siri on your iPhone
Set up your Mac Pro - Apple Support
How to Set Up Your New iPhone (2024)
How to use Siri on iOS, Mac, AirPods, and Apple Watch - Android Authority
Find out what Siri can do on iPad - Apple Support
macOS User Guide - Apple Support
How to use Siri on iOS, Mac, AirPods, and Apple Watch - Android Authority
Organize places in My Guides in Maps on iPhone - Apple Support
Search with Spotlight on Mac - Apple Support
How to Set Up Siri - iPhone and Mac Guides
How to use Siri on your Mac - Apple Support
17 Best Smart Home Devices for Apple HomeKit and Siri in 2024