Set origin F7

This button or F7 you can move at the start of axis.

Place the cursor anywhere in the floorplan. Then press F6 to lock the move of cursor. Finally, press the button “Set origin” from toolbar. Then F6 again to release the move of cursor.

Another way to set origin (move the point 0,0) is by pressing F7. Place the cursor to the point you want to move and then press F7.