If you are thinking of buying a new router just for the wifi capabilities, try Connectify first. Just install the app and your PC will turn into a router.
WATCH UPDATED VIDEO HERE:
http://youtu.be/OGMaatNO1so
If you want to Create a Free Wifi Hotspot with a Free Software / Application, then you must see my new video:
https://www.youtube.com/watch?v=oID2e1J84CM
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Easily Connect All your Devices to WiFi:
Connectify Hotspot makes all your devices happy. Share the WiFi from your laptop with your smartphone, tablet, media player, e-reader, other laptops, and even your nearby friends.
Avoid Overcharges for Costly Connections:
Stuck at a hotel that charges for Internet per-device? With Connectify Hotspot, join the WiFi, start a hotspot, and get all of your devices online for the price of one.
Share 3G, 4G, and Tethered Connections over WiFi - PRO:
Got a 3G or 4G USB adapter or a tethering plan for your mobile phone? Connectify Hotspot PRO works with any Internet connection to keep all your devices online wherever you go.
Boost your WiFi Range - PRO:
Connectify Hotspot PRO can even re-broadcast an existing WiFi signal, extending service to a hard-to-reach basement or bedroom - all without the need for expensive hardware.