Here's the most efficient way to cut identical stairs stringers. Stack two, put a screw through it, stack two more and Put a screw through all of them in that way they don't move.
Only lay out the top. Cut through with the 10 inch beam saw. Take the top two off. Cut through those lines again with the beams saw.
Finish all of the cuts with the jigsaw. No overcut. Everything's identical.
Glue it with the Advantech subfloor adhesive, because with that long barrel, You don't have to lean over. also, glue the back of the risers.
You galvanized ring shank nails through that pass load XP nailer, two nails per stringer until we get to the end.
You can see the pressure blocks up there against the rim. It's all glued. Now nail into the riser, and this to me is the secret sauce, nice and stiff, and it's not gonna squeak.
This video shows how to drill in a stairways