What are some methods I could use to improve my aim in FPS games
Improving your aim in FPS games is a combination of both practice and technique. Here are some methods you could use to improve your aim:

Adjust your sensitivity: Adjusting your mouse sensitivity to a level that feels comfortable for you can make a big difference in your aim. Lower sensitivity can help with accuracy, while higher sensitivity can help with quick movements. Experiment with different settings to find what works best for you.

Practice regularly: Practice makes perfect, and the more you play, the better you'll get. Try to dedicate some time each day to practicing your aim. You can use aim training software or play custom games designed to help improve your aim.

Focus on your crosshair placement: Keeping your crosshair at head level and pointed at corners and doorways where enemies might appear can give you a split-second advantage when you encounter an enemy. Make sure your crosshair is always at the ready.

Learn recoil patterns: Each weapon has a unique recoil pattern that affects its accuracy. Spend some time in practice mode learning how to control the recoil of each weapon you use.

Warm up before playing: Before jumping into a game, spend a few minutes warming up your aim with an aim training program or a few rounds of deathmatch.

Watch and learn from experienced players: Watch videos of professional players and try to learn from their techniques and strategies. You can also watch your own gameplay to identify areas where you need improvement.

Use the right equipment: Make sure you have a good gaming mouse and mousepad that are comfortable and responsive. You can also consider using a monitor with a high refresh rate for smoother gameplay.

Remember that improving your aim takes time and effort. Don't get discouraged if you don't see immediate results, and keep practicing and experimenting with different techniques until you find what works best for you.
What is the best way to adjust your sensitivity? I'm having trouble figuring out which value I am most comfortable with.