There are several methods for installing nails using a nail gun or nail shooter. The choice of method will depend on the type of nail gun being used and the specific requirements of the project. Below are some common installation methods:

1. Sequential Trigger: This is the most common method of nail installation and involves pulling the trigger each time a nail needs to be fired. This method allows for precise control over the placement of nails and is generally preferred for more delicate or intricate projects.

2. Contact Trigger: This method allows for rapid firing of nails by simply holding down the trigger and pressing the nail gun against the surface. This method is faster than the sequential trigger method but may be less precise.

3. Depth Adjustment: Most nail guns come with a depth adjustment feature that allows the user to control how far the nail is driven into the surface. This is important for ensuring a flush finish and preventing damage to the material being nailed.

4. Jam Clearing: Nail guns can sometimes jam due to a misfeed or other issue. Most nail guns are equipped with a jam clearing feature that allows the user to quickly and easily clear the jam and resume nailing.

5. Magazine Loading: Nail guns typically have a magazine or chamber that holds the nails. The user must load the nails into the magazine before using the nail gun. Some nail guns have a quick-loading feature that allows for rapid reloading of the magazine.

6. Safety Features: Nail guns are powerful tools that can cause serious injury if not used properly. Most nail guns come with safety features such as a safety tip that must be depressed before the trigger can be pulled, as well as a safety lock to prevent accidental firing.

Overall, the installation method of nail shooting will vary depending on the type of nail gun being used and the specific requirements of the project. It is important to carefully read and follow the manufacturer's instructions for safe and effective use of the nail gun.