Drinking Water

The best way to get drinking water, is to go outside and search for fresh snow. It´s easy to find. Collect it and get to a campfire. There you can drop it (the camp fire need to burn). Wait some seconds and you will get water flask (yes, you need to empty one).

Other ways to find something to drink is to loot. Sometimes you find some:
 * Lemonade
 * Tomatojuice
 * Red Wine

Or you can craft and brew:
 * Hot Coffee
 * Hot Tea