hi i got an issue with z-brush
the middle mouse button wont zoom in and out on the model, how do i activate that?
>the middle mouse button wont zoom in and out on the model
You can't. It's definitely possible, in fact trivially easy most of the time. You personally however can't. If you can't figure out how to use google there's no fucking way you will ever figure this out if you made it your life's work. Get the fuck out.