The file you downloaded is directly copied to the data. If there are esp or esm files, they should be mounted by nmm or launcher, but they are all under data. If you can't change it, you need to go to My Games/Skyrim/Skyrim under my document and open it in the notepad efs.ini file. Found [Initiator]

Change the following to read

[transmitter]

bEnableFileSelection= 1

bshowlresolutions = 1

uLastAspectRatio=3

Don't touch anyone else. Try again.