Indexhibit Support

Hey Indexhibit Forum.
I didn't renew my Indexhibit, I still have a very old version.. and I know it's stupid.. nevertheless, I would like to disable my Dropdown Menu. I created in my ndxz-studio/js
I tried to erase it, didn't work.. don't really know what do to..
would appreciate any help,
Thanks,
Michal

solved, now I am struggling with the style.css
I am trying to change the Font, I download the file to my computer, change the code and copy it again to my FTP, and noting happend.
Does anyone know what I am doing wrong?
Thanks ahead,
Michal