• Activate Siri by pressing and holding the Home button on your iPhone, iPad, or iPod Touch. If you have a newer model without a Home button, such as iPhone X or later, you can press and hold the side button instead.

• Alternatively, if your device supports it, you can use the "Hey Siri" voice activation feature. Simply say "Hey Siri" within range of your device, and Siri should activate and listen for your command.

• If you're using a Mac, you can click on the Siri icon in the menu bar at the top right corner, or use the keyboard shortcut "Command + Space" to open the Spotlight search, then type your command or question.

Remember that Siri requires an active internet connection to work properly, as it relies on Apple's servers for processing your requests and providing responses.