Surely your own modem, connect the internet already, turn on the WIFI adapter. Then began to enter the setup phase,

Go to Control Panel> Network & Sharing Center> Manage Wireless Network Select. Click the Add button, a new screen will appear and then select Create an ad hoc network, and then Next.

Set the password, or made without a password.

Select Save this network for all users of this computer or the Save this network for me only, so that settings can be saved and not have to repeat the previous step next time. And save it.

Adapter for sharing internet click Properties, then select the Sharing tab, then check Allow other network users to connect through this computer's Internet Connection. Press OK and then Yes.

Hotspot ready to use.