It will depend on two things. First you must have a phone that has the hotspot feature enabled. It will depend on the phone model and carrier as well as which version of Android you have. And, you must have the ability to tether as part of your data plan, or have a separate data plan from your carrier depending on their policy regarding tethering.
If you let us know the phone model and carrier we can point you to that information.
It's nice to have you aboard....Make sure to tap or click the Phones or Tablets -Link in my signature - from there just scroll down to your device model - You can then join your device's area of discussion - where other users will give you help on getting the most out of your device.
There are lots of Help, Hints, Tips & Tricks for all Android Devices. I hope you find Android Forum informative and prove to be useful! Happy Holidays!