where dose unity save the file?

im asking this because im trying to import or what ever so others can play it but i cant find the file to use it pllz help its my first one and i did every thing els but this.

I can only guess what you really want to know ... so let me try: It seems like you're looking for the build. "The build" is the executable or Web player that Unity creates, which you can share with others. You have to create a build - use File / Build Settings to set this up the way you need it.

You can find more information on publishing builds in the manual: Publishing Builds