When you need to use your computer as wireless hotspot, you can easily enable that functionality with PowerShell:
Windows PowerShell Copyright (C) 2013 Microsoft Corporation. All rights reserved. PS C:\windows\system32> netsh wlan set hostednetwork mode=allow ssid=Windows-Wireless-Hotspot key=password123 The hosted network mode has been set to allow. The SSID of the hosted network has been successfully changed. The user key passphrase of the hosted network has been successfully changed. PS C:\windows\system32> netsh wlan start hostednetwork The hosted network started. PS C:\windows\system32>