Not vegan

Not vegan… yet. Have never even tried vegetarian… I am a huge animal lover and want to move away from eating animal products for that reason. I am 28 year old man, 5 foot 9, 180lbs. I compete in powerlifting for the past 3 years and want to switch to strongman in 2025. How could I keep my protein and gains while vegan? Is protein powder vegan? Where should I start