Directory structure
"RobloxAppdataDownloads" - %localappdata%\Roblox\Downloads folder, contains 2018 clients in zipped form
"RobloxAppdataRoot" - Root of %localappdata%\Roblox folder, contains settings from 2018 and studio fflags from March 2018
"RobloxAppdataVersions.7z" - %localappdata%\Roblox\Versions folder, contains March 2018 studio and client