I downloaded version 1.1 and proceeded as instructed (uninstalling previous version adn deleting any and all leftover folders and files).
After install completed I noticed in my P3d v4 SimObjects folder that I now have 4 (four) instances of the 757 (the Pw2037 and PW2040 and new a "_4D" version of the same.
Could not find any mention of these additional versions.
Starting P3d I also noticed in the Vehicle directory that only two versions are available (CS 757-200 Captain Sim House 2018 = 757-200 PW2037 and a CS 757-200 Captain Sim House 2018 2 =757 757-200 PW2040 4D) Should'nt I also have here four versions? and what is the 2028 2 about?
Furthermore, while installing additional liveries, only two choices are available - the 757-200 PW2037 and  757-200 PW2040. No mention of a "4D" or "2" version.
Am I the only one getting confused here?
Appreciate any help.
Ed

There is nothing wrong with your installation of the 757 Captain III v1.1. The other two aircraft folders in the P3Dv4\SimObjects\Aircraft folder (CS_B757-200-III_PW2037_4D, and CS_B757-200-III_PW2040) are placeholders for those liveries once they become available:



Captain Sim wrote on May 28^th, 2018 at 1:50pm:

Markoz wrote on May 28th, 2018 at 1:31am: And the aircraft.cfg files for the CS_B757-200-III_PW2037_4D and CS_B757-200-III_PW2040 variants has no [fltsim.x] entries. Is this a mistake, or deliberate? These are placeholders for addon liveries.

Note. I hope I'm not breaking any rules by quoting a post from the 1.1 Beta (private) forum. Please delete my quote if I am.

Oops, my error: just worked out that 4D is four door rather than a special VR variant.