This is for all versions of MeasureSquare 8 Desktop. It shows how to duplicate a room.
Step 1: Make sure your room is drawn out, and click on the room you wish to duplicate.
Step 2: Open up the Property View on the right-hand side by clicking the two tiny arrows.
Step 3: Under Room->Duplication, you can put in the number of times you'd like to duplicate. Then click Enter.
Step 4: As you will see the cut sheet will change accordingly.