The first thing I'd do is get an unlisted phone number. That would give me time to do some thinking. And then hire an accountant/lawyer (maybe both) to handle a whole lot of the junk mail and solicitations that are bound to come my way anyway. And they'd be people I could discuss my options with, too.
Paying off the bills and putting a good chunk aside as a living annuity/my retirement would be first on the list, I think. And then putting aside a bit of money for my kids, nieces, nephews and courtesy nieces and nephews (the children of good friends). I'd pay for the kids' university educations, tuition, books, maybe a bit for living expenses, but they'd have to find jobs to pay off the rest of the tab for that. I'm not going to hand them their education. And they'd have to have good marks, too.
For those that don't feel like going to university, there would be a trust fund set up for them if they wanted to start a business, otherwise, they don't get a cent until they get married or they turn 35, whichever comes first. And then, it'll be in the form of an annuity, not a lump-sum payment. They can learn to stand on their own two feet first.
There'd be a good chunk of change going to local charities - women's shelters, the Food Bank, Good Food Boxes, etc. I'd have the lawyer look into the difficulties each group is having and go from there. I'd help them out on the condition that I remain anonymous. It may be a great tax deduction, but not one I'd be willing to exploit right off.
Then, I'd probably have a house built for me, buy a new station wagon, and go back to school myself.
*lol* Who am I kidding? Serious computer programme upgrades, new computers/laptops, and a trip around the world with the kids to visit friends I haven't seen in years and meet new friends that I've met on-line. With a record of my trip to be kept on the computer. ;)
Open mouth, insert foot; that's what good stories are made of.