Hi,
If you have Wireless card installed in your Windows Laptop then you can create WiFi Hotspot with command prompt.
Step 1: Open Command window as Administrator
Step 2: Enter this command
netsh wlan set hostednetwork mode=allow ssid=WiFiname key=password
Change Wifi name and password with your own name and password
Step 3: Start WiFi Hotspot with this command
netsh wlan start hostednetwork
Source: http://www.techswatch.com/2014/11/create-wifi-hotspot-windows-87-command-prompt.html