The title of this thread is ".... no idea how to connect to wifi". I see from the spec of that machine that it has Intel Graphics and a SSD drive, but also "Intel Rapid Start Technology, Intel Smart Connect Technology". I wonder if the latter may cause a "connect to wifi" problem outside Windows. Something to think about alongside the USB creation saga.
@Aravisian have you come accross this Intel Smart Connect gem before?
@mipak Is it true you currently have Z15.3 Core u[ and running, but with no wifi still?
Maybe the Multisystem suggestion (that would allow you to create a bootable USB with multiple Linux OS on it) by Swarf is too much to do.
Do you have, or can you create a bootable USB with Z16 Core?
Also did you look at this information. Before you install