You won the lottery!

I'd probably tell my Dad and his girlfriend (pretty much my step mom), and my mom, and maybe my girlfriend.

What would I do? Spend $100,000 on whatever I feel like, buy a nice house for ~$500,000, get myself a nice car (undecided on that).
Then, I'd buy a property to become a business, contact all major US dealers for computer components, and pretty much be the NCIX of America.

I've thought about this before, lol.

I'd pay of all debt. Also, I'd buy a new home and a nice car.

I would tell my mom, then I would put it in the bank.
I would buy a nice car, and house. :)

Give most of it to my family, and stay in South Dakota. Nothing too super super super special because then my insurance is going to cost an assload.

I'd probably tell a good friend of mine.  And then after I tell him, get on with telling my parents and other close friends :P.  The very first thing I would do would to be give a portion to my parents, to help them pay off any debt they have, and just help them out, and let them relax and everything.  Afterward, I wouldn't go crazy with spending it.  I'd do my best to try to invest it wisely, and make it something that can grow and that I can live off of.  I'd just live modestly, and just buy things as I needed them, rather than blow it all at once.

I'd spend it all the first day I had it, and tell no one for my brother would probably find out and want it. What would I spend it on? That's for me to know, and for you NEVER to find out... heh.

I would just keep it a family secret and close friends. I wouldn't go round telling every person I know that I've won the lottery. If I did, then chances are I'm going to get kidnapped for a ransom. :)

I'd tell my parents and share it with them.

Move to America and spend it all like hell. xD

I forgot to mention i'd probably donate to charity, not sure which one as there is a few I support.