You can make your iPhone your personal internet hotspot, as long as your carrier allows it. The hotspot can be used by other devices via USB, wireless connection, or Bluetooth.
Step
Method 1 of 3: Creating a Wireless Hotspot

Step 1. Tap the Settings app
This application may be in the "Utilities" folder.

Step 2. Tap on Cellular option

Step 3. If the Cellular Data option is not yet active, activate the option immediately
You must enable cellular data to create a wireless hotspot.

Step 4. Tap on Set Up Personal Hotspot
This button will only appear if you have never created a hotspot before.
- After doing the initial setup, the Personal Hotspot option will appear on the Settings screen.
- If the Personal Hotspot option is missing or cannot be tapped, your carrier may not support this service, or may require you to upgrade to a service plan. A list of carriers that provide personal hotspot services can be accessed on Apple's support page.

Step 5. Tap on the Wi-Fi Password option

Step 6. Enter your desired hotspot password

Step 7. Slide the Personal Hotspot button to turn on the hotspot

Step 8. On the Windows computer, click on the Networks button
It's on the system bar, in the lower-right corner of the screen.

Step 9. Select your iPhone's wireless hotspot
The hotspot has the name "'s iPhone".

Step 10. Enter the network password you set on your iPhone
Once the computer is connected to the hotspot, you can use the iPhone connection to browse the internet.
Method 2 of 3: Using USB Tethering

Step 1. Install iTunes on your computer by reading guides on the internet
To use USB tethering (USB tethering) on a Windows computer, you must have iTunes installed.

Step 2. Tap the Settings app
This app may be on the home screen, or in the "Utilities" folder.

Step 3. Tap on Cellular option

Step 4. If the Cellular Data option is not yet active, enable it
You must enable mobile data to use the USB tethering feature.

Step 5. Tap Set Up Personal Hotspot
If the option is missing or cannot be tapped, your carrier may not support this service, or may require you to upgrade to a service plan.
After doing the initial setup, the Personal Hotspot option will appear on the Settings screen

Step 6. Slide the Personal Hotspot button to enable hotspot

Step 7. Connect iPhone to computer via USB cable

Step 8. On the Windows computer, click on the Networks button
This button is on the system bar.

Step 9. Select iPhone to make iPhone as active network connection
Once the computer is connected to the network, you can use the iPhone connection to browse the internet.
Method 3 of 3: Sharing Internet via Bluetooth

Step 1. Tap the cog icon to open the Settings app
This application may be in the "Utilities" folder.

Step 2. Tap on Cellular option

Step 3. If the Cellular Data option is not yet active, enable it
You must enable cellular data to share internet via Bluetooth.

Step 4. Tap on Set Up Personal Hotspot
If the option is missing or cannot be tapped, your carrier may not support this service, or may require you to upgrade to a service plan.
After doing the initial setup, the Personal Hotspot option will appear on the Settings screen

Step 5. Slide the Personal Hotspot button to enable hotspot

Step 6. Tap the < button at the top left corner of the screen to return to the Settings screen

Step 7. Tap on Bluetooth

Step 8. Turn on the Bluetooth option

Step 9. Click the Bluetooth icon on the system bar
If you don't see this icon, your computer may not have a Bluetooth adapter.

Step 10. Click Join a Personal Area Network

Step 11. At the top of the window, click "Add a device"

Step 12. Click on your iPhone, and leave this window open

Step 13. On your iPhone, tap on Pair
You will be asked to enter a code that appears on your computer.

Step 14. Return to the Devices and Printers window

Step 15. Right-click your iPhone

Step 16. Select "Connect Using", then click "Access Point"
Once your computer is connected to your iPhone via Bluetooth, you can use your iPhone's connection to browse the internet.