Hi
I sugget a new feature which can easily change Z axis up. In Fusion 360, It's easy to change Z axis up.
I also created a thread to discuss this issue.
https://forums.autodesk.com/t5/inventor-forum/why-inventor-do-not-add-feature-change-z-axis-up/m-p/9...
There're alot of reason to add this feature. Please consider it. Thank