First, you need to create a character and then adjust it.
Next, set up the camera - select the modes you need, adjust the sensitivity, and other parameters.
To add weapons to your character, you should use the Inventory Manager component.
To add a fist attack see the section below.
If you need to use the same weapon with different characters, create a unique tag for each character for future use.
If you need to configure other parameters, you can find information in the appropriate section.