Not need to download BLUETOOTH SOFTWARE in windows xp and vista

Inbuilt bluetooth software in windows XP:

Now you don't need to install any software for your bluetooth device.

you don't know but you already had it in your window xp and vista
it can be used as:-

1.open the run command.
2.now type 'fsquirt' without quotes.

3.then the above window appears
4.now just select whether you want to send or receive any file

very easy:-)