This article will show you how to share your laptop's internet connection with your phone by turning your phone into a Wi-Fi hotspot.
How to Connect a Phone to a Laptop – Best Buy Tech Tips
Depending on your configuration, you can share the laptop's data connection via WiFi or via a cable.
Windows lets you share your Internet connection via ICS. ICS, or Internet Connection Sharing, is a built-in feature of Windows, so you don’t need to download anything to use it.
If your laptop is connected to a router or modem with a cable, you can share that connection with a phone or tablet using the Wi-Fi adapter or another Ethernet port.