By making money.
Work hard. Live within your means. Save money
Do the things that poor people don't do.
Read Wallace Wattles book The Science of Getting Rich and do what the writer says
play the lottery the odds are the same how many are rich (that haven't been left it) you in fact have more chance with the lottery the dream is a myth for most designed to keep you with your nose to the grindstone
to keep the rich rich
Burying a dollar under the soil. In four or five years you'll have a tree loaded by dollars.
I have tried further with a woman. I'll tell you later if it works.
Work hard and study