That’s a pretty tough question. Depends what you want I guess. My personal advice would be if you want to learn start by following very simple companies in different fields to understand so you can see how different mechanics affect earnings. That way you can learn to read the financial statements and annual reports and start testing yourself on future estimates.
If you just want to ‘make money’ and believe equities is the place then I’d try to invest regularly in a low fee/no fee active manager and read their insights. Maybe read: