MPDesign's post in Staircases - stacked over each other - not doing well was marked as the answer
I would suggest getting your basement stairs sized and located first. Then build walls in the basement to stack under the entry walls above. This keeps your stack straight.
Then use a room divider wall to create an unspecified room over your lower landing. Then draw your stairs going to 2nd floor/ attic.
MPDesign's post in Is There A Way To Change The 'name' Of An Electrical Item? was marked as the answer
In the fixture (component) dbx
MPDesign's post in Mulling Windows Vertically was marked as the answer
First adjust the window default setting to bump at 0. At the bottom of the window default dbx.
Make sure your bumping and pushing are turned on, move them together. Select first window, hold shift key and select 2nd unit, click make block tool.