Pretty self explanatory. You can mention everything you would do but try to stick to the first, unless you have more interesting stuff. I would hire a saxophone player to follow me everywhere and play anything I wish whenever.

Buy all the food that I want!

I'd like to think I would just buy a piece of land on an exotic island (the Hawaii for an instance) build a big house, open a gym and a restaurant and live the rest of my life there.
, however, I would probably just invest a huge ammount of money in a big busieness and lose everything, or succeed, who knows.

Live my regular life with a good feeling of stability.

The reason why Bill Gates can afford to spend millions is because he doesn't spend millions.

I'd acquire Google and then ban a certain IP address in Canada from using my services

Pay off any student debts I have and finish paying off the rest of college.

The next thing I'd do is save the shit out of that money, and live off the interest I build up.

Setup a savings account for interest, then move somewhere nice, buy my dream photography studio setup, & start my photography business.

Spread my drug enterprise across the globe, and buy a shitload of nukes to stop anyone who tries to get in my way.

Invest money for a robot waiter that does what I command.

I would quit the army.

I'd acquire Google and then ban a certain IP address in Florida from using my services

I honestly do not know. I actually don't want to become a billionaire. On the one hand it sounds tempting but on the other hand I don't want to become greedy...er.
Except if this doesn't count as an answer to the tread and it is considered spam.

I'd acquire Google and then unban a certain IP address in Florida from using its services

I'll colonies the moon. Because fuck Earth.