Here's a step-by-step guide for making pour-over coffee with the proper ratio.
I'll describe the steps and then generate images for reference.

Use a coffee-to-water ratio of about 1:15 to 1:17 (e.g., 1 gram of coffee for every 15–17 grams of water). For a standard 8-cup French press (1 liter)

Here's a step-by-step guide to brewing coffee using an AeroPress. This method is simple, versatile, and yields a clean, rich cup of coffee.