USB tethering

You can tether your Android device to your computer with a USB cable, to share your device's Internet connection with your computer

USB tethering works with Windows Vista, Windows 7, and Linux

If your device has an SD card or USB storage, you can't mount it on your computer when USB tethered

For more information, including using USB tethering with other OSs, see http://www.android.com/tether#usb

Bluetooth tethering

You can tether your Android device to your computer via a Bluetooth connection, to share your device's Internet connection with your computer

Bluetooth tethering works with any computer or other device that can obtain an Internet connection via Bluetooth

For more information, see http://www.android.com/tether#bluetooth

Portable Wi-Fi hotspot

You can turn your Android device into a portable Wi-Fi hotspot, to share your Android device's Internet connection with one or more computers or other devices

When your device is serving as a Wi-Fi hotspot, you can't use your phone's applications to access the Internet via its Wi-Fi connection (but of course you remain connected to the Internet via your mobile data network)

You configure the hotspot with the Wi-Fi hotspot settings

For more information, visit http://www.android.com/tether#wifi