Enabling Find My iPhone is the first step to ensure that you can locate your device in case it gets lost or stolen. To enable this feature, go to the Settings app on your iPhone, iPad, or iPod touch, tap on your Apple ID at the top of the screen, select iCloud, and then turn on the Find My iPhone toggle. On a Mac, open System Preferences, click on Apple ID, select iCloud, and enable Find My Mac. Once enabled, you can use the Find My iPhone app on another Apple device or access the iCloud website to locate your device. Remember to keep Find My iPhone enabled at all times to maximize the chances of finding your device if it goes missing.