Wifi hotspot from laptop (windows)

Open cmd in administrator:
netsh wlan show drivers
Find row “Hosted network supported: yes
netsh wlan set hostednetwork mode=allow ssid=<yoursid> key=<your_key>
netsh wlan start hostednetwork
Open Network and sharing center, open Internet connection properties -> Sharing check [v] Allow other network to connect … and select adapter.  OK