Contact 3 tax attorney's, 3 good accountants, none of them get to know about the other and each one checks on the other.
disconnect my phone lines
buy a new phone or 3
hold up in my home for awhile, if word somehow got around move into a hotel in a large city (ie NYC)
body guards (if needed)
Later,
move,
tell know one about the wind fall, even the kids (mine are 3 and 5 so it's easy).
Live a comfortable lifestyle very much like I do know except volunteir my time, go back to school, realy learn how to play my guitar.