1. Read all the free lessons on this app first. They are good in quality and a must-read 2. Start solving tactics daily. Tactics are very important 3. Play slower games (daily or rapid) first. Don't go directly for blitz or bullet 4. Don't use computers or engines DURING a game. Use them for analysis AFTER your games 5. Buy or download good books for beginners. You'll find many lists if you search online. (You have 1200+ rating in blitz. That's a good start)