I know this is a dumb question but..
How do i view these models? what program do i need?
What's the extension of the files in the zip?
>>139324
https://en.wikipedia.org/wiki/COLLADA
tl;dr Max, Maya or Blender. Blender is free.
>>139418
Remember to Import, not Open
>>139324
I think Win 10 Has a 3d model viewer.