How to Use iPhone 5s USB Tethering with Windows 7 Computers

For iPhone 5s:

1. Go to Settings on your iPhone 5s.
2. Tap on "Personal Hotspot." If you can't find it, go to Cellular and switch on Cellular Data first.
3. Tap on "Personal Hotspot" and select "USB Only" if prompted.
4. Connect your iPhone to your computer using a USB cable.

For Windows 7 computers:

1. If you don't have iTunes, download and install it.
2. During iTunes installation, your iPhone will ask if you trust the computer. Tap "Trust" each time until done.
3. Once iTunes is installed, your iPhone should show up under portable devices. You can find your iPhone's name in Settings > General > About > Name.
4. Check Network and Sharing Center on your computer or click the network icon in the taskbar to see if they're connected. The Personal Hotspot icon should blink on your iPhone's screen, showing that tethering is active.