You are using a Nokia Lumia 520 Windows 8 Phone and want to share your internet with others WiFi supported device like your Laptops, Smart Mobile Phones, Tablets etc. Nokia Lumia 520 can share it’s internet to Maximum 8 devices. So you can use internet in maximum 8 devices at a time.
If your Phone screen and keys are locked, unlock them and follow the process to share internet:
Go to Settings. (From start screen swipe left to go Apps menu and tap Settings).
Now from system Settings tap mobile network and turn on Data connection.
Come back to the system Settings tap WiFi and turn on the WiFi networking.
Again Come back to the system Settings tap on internet sharing.
Turn On the internet sharing. You can set your WiFi name and password from here.To do this tap on setup, from the bottom of this page and change your sharing password.
You have done your work. Now your Nokia Lumia 520 is ready to share it’s internet to others.
Try it yourself and keep sharing your internet.