F2 & F3 keys not working as they should

i just dloaded a complete version of 8.5 and installed but when i hit the F3 key the mix console does not come up
instead a little volume controll does then disappears a few seconds later . Same thing happens with F2 key and most of the the other Fkeys. the keys are listed as they should be in the key command .any help would be appreciated

Your keyboard is probably sharing the keys between functions (F1 etc) and the media keys - in which case it will have a function key to switch.

and how can i fix that or is that a windows 10 problem

figured it out…function lock was on . I have an hp laptop and had to change it in the bios. thanx