hey so i tried your method and robloxplayerbeta.exe does open without any problems but it just crashes for some reason, i tried tweaking the subsystem and minor linker version values (because they are ...

Open Roblox Studion: open it and follow this steps below Import a R15 rig to your workspace and anchor it and use Blender rig Exporter, which I provided at Prerequisites (Install this plugin in Roblox ...