Well it depends its a very complicated progress.
Assuming you want clean fresh water
You would need to find a container or a boiler to boil tap water to well clean it
To boil you would need a pot Or a boiler
To get that you would need money
To get money you would need a job
To get a job you would need to go to school
And assuming your graduated you can buy the boiler but putting all other concerns in hand.
You would need a place with running water and assuming its your home you would need to pay the water bills
After inserting the water into the boiler or pot you would need tod decide on how to use it.
For a electric boiler, you would need to plug it in and to do that you would need to pay the electric bills.
For a pot you would need to use a fire which is gas so you would need to pay the gas bill.
Now when the water is finished boiling it would be piping hot. If you want it to cool naturally just leave it outside at room temperature. Come Back 1-2 hours later to get a nice warm cup of water. Or if you want it fast you would need to cool it down int he fridge.
Now to get a cup or something you would need to buy one. A nice glass cup or whatever it is you buy that can hold water would work.
Pour the delicious life giving H2O into the cup and put it up to your mouth. Sip it or chug it theres 10 ways to drink it.
1) Chug
2) Sip
3) Drink
4) Pour
5) Straw
6) Air sip
7) Gulp
8) Turtle style
9) Head down
10) Two hander
Drinking it will provide you lfie
THats how you drinkw after