Not sure if you actually want financial advice but here goes:
Buy a low cost diversified ETF. Take all your options, sort on management expense, and read the description. Not sure about your personal preferences and needs, but you're still young so you can be relatively risky. Buy 75% of the cheapest diversified stock fund and 25% of the cheapest diversified bond fund.
It doesn't have to be too complicated. You just have to not make very bad decisions (all stocks a year before retirement, or all cash for decades). And avoid high fees
Buy a low cost diversified ETF. Take all your options, sort on management expense, and read the description. Not sure about your personal preferences and needs, but you're still young so you can be relatively risky. Buy 75% of the cheapest diversified stock fund and 25% of the cheapest diversified bond fund.
It doesn't have to be too complicated. You just have to not make very bad decisions (all stocks a year before retirement, or all cash for decades). And avoid high fees