How to set up a personal hotspot on my iPhone 4s?

Ok so I have a iPhone 4s I got it in November and want to be able to have Internet on my laptop when I'm at my dads and grandparents who don't have a Wi-Fi router and use wired

Settings, mobile, personal hotspot.

Don't forget some providers will charge a one off every time to create a hotspot and it will also use up your data allowance

Try doing as it says?
for my iphone 4s its just to enable it and working fine.
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  • Who is connected in my personal hotspot in iphone? I need to know who is connected, because i have 2 connected now while i only connect this to my ipad.
  • What additional cost may occur from making my iphone a personal hotspot? I turned on the personal hotspot option in settings on my iphone but it says additional costs may occur. Does that mean it costs money for me to connect my other devices or just if i exceed the amount of 3g i'm paying for.
  • Using the Personal Hotspot on my iPhone? The Wi-Fi on my Laptop doesn't work, so I can't connect to the internet. I'm using the Personal Hotspot on my iPhone to connect to the internet. My iPhone is connected to my homes Wi-Fi. I'm curious, when my Laptop is connected to the Personal Hotspot, is it accessing my iPhones internet, or is it running off my home internet?
  • Is the personal hotspot option on the iphone safe? I just learned i can use my iphone as a hotpot and i freaked out! Apparently you go settings, general, network, the it says personal hotspot! So is it safe? More importantly does it cost a lot or free?