How to Turn Your Windows PC Into a Wi Fi Hotspot
Windows can turn your PC or laptop into a wireless hotspot, allowing it to share its wireless Internet connection with other wireless devices ( your laptop work as Router ). 

If you’re running Windows 10 with the Anniversary Update installed, then you’re in luck. With that update, Windows now has a single switch for turning any PC with Wi-Fi into a hotspot, and it doesn’t matter whether the Internet connection you want to share is wired or wireless. To turn on Hotspot in windows 10 without any programs watch the video