Your computer can share hotspot without the use of downloading software..
folow the steps below:

  • Press window key and R at the same time to show Run
  • Type cmd
  • Type netsh wlan show drivers in command prompt and press enter. Hosted network supported :Yes means that your computer supports hosted networks.
  • Type netsh wlan set hostednetwork mode=allow ssid=Hotspotname key=password in Command prompt. This will create a Hotspot but it is currently offline.
  • Type netsh wlan start hostednetwork in command prompt to start the hotspot you just created.
  • Type netsh wlan stop hostednetwork in command prompt to stop the hotspot.
  • Type netsh wlan show hostednetwork to check the hotspot status.
  • To share your internet connection on this hotspot go to the Network and sharing center and click on Change adapter setting. Here right click on the Connection that you use to connect to internet and select properties. In properties go to Sharing tab and check the box "Allow other network users to connect through this computer's internet connection and select the network connection name that is used by your hotspot.(For this check the Network Connection Window and look for Connection which says Microsoft Hosted Network Virtual Adapter). And save it. Now your internet connection is shared.