These videos show how to hold your yarn and hook, make a stitch, and make a perfect square! When starting your crochet journey, it is best to watch others work. Make sure you also have a lot of patience.
Don't expect this to be easy! Learning any skill is difficult at first, but practice makes perfect.
Written option: https://www.allaboutami.com/amigurumiforbeginners/
Excerpt from Wikipedia
Your first project is not going to be your best work. Take a look at these two rabbits.
The first rabbit was Ms. Olive's first project ever. The second one was made by her again, one year later. The difference between them was experience.
When buying yarn, it is important to pay attention to the label. I pay most attention to the weight and gauge.
The weight determines how large your thread is, and can change the size of your project. Most projects use weight 4 yarn, also known as medium.
The gauge determines the size of hook needed. If you are using weight 4 yarn, a hook that is between 4mm-6mm is best. Check the label to make sure you are using the right size. If you use a different size, your project may be bigger or smaller than expected.
Hooks are categorized by letter or millimeter. The size is usually found on the handle or the neck of the hook. The shape of the hook can vary too. For more info, click here.
Hook too small = yarn falls off more
Hook too large = will be hard to fit into the stitches.