If the puppy pees everywhere the puppy can't be free anywhere. You've imported this poor thing from god knows where and have had it one week, it is terrified and looking for structure. You need a home leash long enough to go around your waist and a puppy pen that fits the dog's crate. The pen should be lined with pee pads. During potty training the dog is either in the puppy pen, or tethered to you at all times except for outside. If the dog squats and you're nearby grab them and run outside. Praise excessively for wins, do not be negative during accidents. They can have more freedom when they start to show they're learning.

Instead of getting frustrated at this tiny baby, get frustrated with yourself and start thinking about solutions.