Odd plugin install-- Help!

[teefers (Doug Bennett)]

@edwardr

I get a folder containing an info.plist and a Resources folder.

As @Mathew said the name of the folder is the important thing. It needs to have the extension of .stack. Stacks are just “special named” folders.
Might have a look at this post

Third party stacks show up as regular folders

Hey RW community! I have a dilemma. I recently purchased the Video Player stack by Will Woodgate. However, the stack simply downloads as a regular folder with contents and not as an installable stack file (lego brick). I’ve already tried basic trouble-shooting by re-downloading and installing both RapidWeaver and Stacks and restarting my computer to no avail. I’ve already reached out to Will Woodgate who has apparently never heard of this problem and directed me to YourHead (maker of Stacks plu…