Open this video in the playlist. Revit - Main topics.
https://www.youtube.com/watch?v=1kHo68MAk-o&list=PLe_I-JWckL7H3AoxFsXpBzUT7_iNv_lXj&index=7

In this tutorial we are going to learn to create floors in Revit. I am showing two examples here.

Contents:
00:18 Example 1
04:10 Example 2