Consistency. You can find any of an endless line of workouts for beginners that with some basic common sense research of ruling out obvious scams will be fine. There's no magic bullet to turn you into a mass monster overnight, but newbie gains are a real thing. But killing yourself for a a few days and then skipping a week ain't the ticket. Just do one that you can stick with and get right every day (including planned rest days). Only other thing I'll add is focus on compound lifts. Bench, squat, deadlift, cleans, rows, pull-ups. Those work both the biggest muscles and the multiple muscle groups at the same time. If it's built around those it's probably pretty good.