Missing 'scenery' folder! How to fix it?

I followed this tutorial to download these programs:

at 14:37, when i clicked 'Find' it couldn't locate any SDK folder as there are none in my C Drive. Can anyone tell me where I can download the SDK folder and paste it into this folder? Or should there be another method I should do this? By the way, I am using Prepar3d and have also installed it prior to following this tutorial.

Possibly related inquiry: My 'scenery' folder is missing. How do I fix that?

I downloaded ADE following this tutorial. I've tried opening a stock airport by clicking File > Open Stock Airport and then searching for one in the Airport list. When I try to open one, the program gives me the prompt: "ADE has encountered a problem while decompiling this airport. The error message is: Could not find a part of the path 'C:\MSFS\FS Design Tools\Airport Design Editor 175\P34\scenery\...'.". I went to manually check my folders and there is no 'scenery' folder in the 'P34' folder. Is there somewhere I can download this folder from? Thank you!

update: i've found a scenery folder in C:\Program Files\Lockheed Martin\Prepar3D v4\Scenery
I've tried opening some .bgls from here by clicking File > Open Airport from Bgl and some work, but they are in code and I have no idea what country or airport they are
Where do i paste this address(C:\Program Files\Lockheed Martin\Prepar3D v4\Scenery) into ADE so that it can read the files from this location when i click File > Open Stock Airport?
Last edited: