Rotate an 3d Object

Hi I am trying to learn unity and want to make a 3d object rotate. I did research on other forms but came up short. Can someone please help me with a simple C# script that can help me move on?

If you want to learn Unity, you should really try clicking the “Learn” button at the top of the page. That’s kind of what it’s there for.

And when you do, you’ll find great tutorials, like this: