HTC Desire 300

Connect the data cable to the phone socket and to your computer's USB port.

Slide your finger down the display starting from the top edge of your phone.

Press the settings icon.

Press More.

Press Mobile network sharing.

Press USB network setting.

Press USB tethering.

An internet connection from the computer via your phone is automatically established.

When the connection is established, you can access the internet from your computer.