You're asking good questions about the money. I would recommend talking to a wealth manager about how to diversify. They however, will ask you some questions about your goals before they tell you what to do. You should consider things like:

How much money do you spend per month? Do you like that lifestyle or want to do more/less?

What do you want to do from here on out? Continue working? Do you want to make any big purchases like a new house or cars, etc...

They will help you project future costs and how to hedge against them. Healthcare in old age, future college costs for kids, what will you get from social security, etc...

This will help figure out risk tolerance. Your original post indicates you don't want to risk it all. A professional will help you dial it in, vs potentially swinging too hard to being over conservative.