Hi Penni,
What is the model number of the keyboard you use?
Depending upon the model of Sculpt keyboard, you should be able to find an F-Lock key. This should toggle your F1-F12 keys from 'normal' to 'enhanced' operation.
The following article might be helpful in figuring out what the enhanced functionality the keys can perform.
New features of the Sculpt Comfort Keyboard
For more information: Resolve unexpected Function (F1 - F12) or other special key behavior on a Microsoft keyboard
Download Mouse and Keyboard Center to make the most out of your Microsoft keyboard and mouse. You can modify your keyboard settings using this application.
Hope this helps. Get back to us for further assistance on Windows.