Saving instead of investing for years – what would you do today if you were me?

Hello everyone, I am currently 34 years old and only started getting serious about investing when I was 33. Looking back, this is probably one of my biggest financial mistakes. Especially in my early 20s, I should have started much earlier. I was afraid of investing for years. On the one hand because I didn't know enough about it, on the other hand because I was afraid of losing money. That's why I just left my money in the bank account where