Here is two tutorial on sharing internet between Samsung Galaxy Note and your PC/Notebook/Computer.
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Step 1: Download Easy Tether Lite and install in your Galaxy Note.
Step 2: Now open Easy Tether in your Galaxy Note.
Step 3: Follow below screen shots. (or follow apps instructions.)to enable tethering.”]
All done. Now you can share your galaxy note internet connection with your pc.
How to share your PC/Computer/Notebook internet with your Galaxy Note.
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Step 1: Download http://www.connectify.me/download-lite/ and install in your PC/Computer.
Step 2: Enable your wifi and start connectify application.
Step 3: Find your newly created wifi connection in your galaxy note and connect with it.
Step4: All done start sharing the internet.
Here is another detail tutorial for this: http://www.londatiga.net/it/how-to-share-internet-connection-between-pc-and-android-phone-using-wifi/
Let me know if you find any difficulties sharing internet between your Galaxy Note and your PC.
It took lot of time to write this tutorial, I really appreciate if you fb like it or tweet it. Thanks!