About to get an inheritance. Don't wanna screw it up.

Hey all, I'm about to get an inheritance and I've never had money before. Paycheck to paycheck my entire adult life. After I've paid off all of my high interest debts, I'll likely have around 100k left. I don't want to buy any new cars/houses/anything frivolous. Ive always lived below my means out of necessity and don't plan on changing that much. I want the money to work for me so I can sleep well at night. I rent and have no intentions on buying a house anytime soon. My wife and I both have fu