How can I tether my phone's network to my pc?
You can use share internet on your smartphone to other devices in 3 ways. WIFI HOTSPOT, USB tethering, BLUETOOTH tethering. 


Connect your phone to your Computer using working USB Cable.
Then Go to Settings->Mobile network(Or More)
There you will find a option "Hotspot" or "Tethering"
Then select "USB tethering".
After few seconds you can able to connect to internet on your PC.


Likewise you can Use Wifi and also Bluetooth tethering.

See Official Google documentation about tethering