How do I get lightning fast file searching like on mac?

I've got a Macbookpro
One of the best things I like is being able to find files *instantly*

I'm a directory freak and looove to embed my files in sooo many levels deep
On the Mac, I'll search. I'll blink... and the results has come back
(I hate the interface which I haven't quite got to grips with just yet)

On Windows: there's a file. I don't know what it's called. I don't know where I've put it. I know I last used it 3 months ago and it's a Word doc. I don't know what drive I've put it on...

So I search the whole damn computer... for a doc file less than 6 months old
I then go fishing... go for a coffee... have a bath...
And when I get back 5 hours later... hey presto... Windows gives me a list of results

I know there was some indexing programs - like Google Desk (erm... I think that's what it's called - I could just be making that up from my mind)... I know Microsoft had one as well... and a few other 3rd party programs where available

Where are they??

I have Windows 8 - I thought it would be built in?
One thing I don't like is adding an extra layer - thereby slowing my machine down
On Mac it's part of the blood system - it's inbuilt and takes no overhead
I assume, every single time a file gets added or removed... the file record database is updated

Grrr...
Or am I missing the party? Is there actually an app everyone is using and living merrily in Windows land?

Thanks :)


OM