Listen to and observe highly effective lifters, and learn as much as you can from them. This does not always necessarily mean, take all of their advice (assuming they offer any) without questioning it, etc., but sometimes it might.
6'2", ~100kg (~220lbs). 40yo, training (with a few breaks) since my late 30s.
Squat 160kg (352.7lbs), Bench 112.5kg (248lbs), Deadlift 220kg (485lbs), Strict Press 75kg (165.3lbs)
My training log