Following is the steps to find it out yourself.
Open up blank notepad
Type the below string into it. (Do not use copy & paste, it may be doesn’t work, type manually)
Save the file as .vbs (eg. I_love_you.vbs)
Execute that file via double clicking it. You will know if it is a guy or girl through the sound.
Have problem?, you can download the test file here (extract the zip file and double clicking it):Check you computer gender1
Mine is a guy!
More advance, you also can know what is name of the owner of the voice. Use the following script (replace script in step 2):