Change the sound on your PC in Windows Vista with this video tutorial. In Windows Vista, left click on desktop. Go to "Personal Modes" and select "Sounds". Click "Test" button in the Sound's tab window to hear sounds for different actions. To replace a sound: place the sounds, in a .WAV format only, in a folder on your C: Drive. Select sound to be replaced in Sound's tab and click "Browse" to find the file you are replacing the current one with. Click "Ok" when done to complete change.