Question: what are the different function keys?
Answer: F1. F1 is mostly used as the help key. ... 
F2. In Windows commonly used to rename a highlighted icon or file. ... 
F3. Often opens a search feature for many programs including Microsoft Windows. ... 
F4. Opens find window. ... 
Keyboard Function Keys - F5. ... 
F6. ... 
F7. ... 
F8.