What are the steps to take in order to start investing in a fund?

It's best to speak to a financial advisor who can help to holistically assess your overall financial health and needs. Typically, this would involve your risk profile, investible assets, investment horizon and objective (i.e. income, capital growth, retirement etc.)

Do also take the time to read up and better understand the financial markets, which can help to inform you on longer term themes and focus trends.