Open Start Menu and in the bottom left corner of your screen, click on Windows Logo.
Open Settings and click the Settings icon in the Start menu at the bottom left.
Click Network & Network. In the middle of the Settings window, it is the globe-shaped icon.
Click the Mobile hotspot tab. It is on the left side.
Click on the "Mobile hotspot" switch. By clicking the switch it turns on, which means that the Internet connection of your computer is now broadcast.
Check the name and password of the network. See "Network name" and "Network password" near the middle of the page for your mobile hotspot name and password.
Connect to your Wi-Fi network on your smartphone. Open WIFI Settings and tap the name of your personal hotspot, input your password, and hit Connect.