These are some tips that will help a lot for beginners
1- play only long games don't play blitz or bullet play rapid
10+0 or 15+0
2- always think about your move and calculate as many moves as possible (do that in a complicated situation usually think 2 or more moves ahead cuz your a beginner)
3-never try the scholars mate cause it will cause you trouble and loss of tempo try solid openings and that's where you can learn them:YouTube, books(mostly recommend)
4-when you blunder a piece play on when there's hope
5-when you lose its not failure it's a free lesson that you will learn by analysing the game
6-when opponent trash talks don't answer and play
7-dont be scared to lose rating it's just a number (not Fide rating)
8-watch the games of the greatest players of all time
9-and if you want to do that all just join my club