How to Change Windows Start up sound with your own

WARNING: I do not take any responsibility about anything.

Tested on WindowsXP, Vista, Windows7. √

1. Start > Control Panel
   
2. Find "Sounds and Audio Devices"
   
3. Click the sound you wanted to change, the sounds are available and labeled in the box on the lower half of the Sounds control box.
   
4. Click Browse button in the bottom right corner of the box.
   
5. Choose your own sound.
   
6. Press the play button next to the Browse button to confirm your sound.
   
7. Save the Sound Scheme by clicking Save As and setting a unique name
   
8. Make sure your sound scheme is selected
   
9. Apply & OK

ENJOY!