1. Download iTunes. Download and install the latest version of iTunes from download. 2. Connect to your computer. Connect iPhone to the USB port in your Mac or PC using the included cable. Finger Tips 3. Sync. When iPhone is connected, iTunes opens and guides you through the next steps. Select what you’d like to sync in each of the tabs, then click Apply in the lower- right corner. For tips on syncing, visit Button basics. To turn iPhone on or off or to restart iPhone, press and hold the On/Off