It's always fun to freak out people. Am I right?
Here's a way that you can easily scare people with their computer screaming as you shut it off.And its also pretty simple.
Step 1: The Scream!
Open any recording program that can save the file as (.wav). Record your scream and save it in a place where you can find it.
Step 2: Open Control Panel
Next,open the control panel.
Step 3: Sounds
Now click on Sounds and Audio Devices
Step 4: More Sounds
Next, click on the Sounds tab.
Step 5: Search
Scroll down the list until you find Exit Windows and click it.
Step 6: Find the File
Next, Click Browse and find the file that you just recorded.Open it and click Apply.
Step 7: Test!
Shut down your computer and if instead of hearing the default Windows shutdown sound you will hear it screaming as it dies (not really)