Subtitles, so many questions

I hate to be so general in my topic and questions but I have yet to successfully see any subtitles.
I am currently streaming through a browser on a PC and while the picture and audio are great I cant get subtitles to work. While in the movie I go to Settings in the lower panel and English-SRT is indicated. I have Automatically select ticked, and Auto-Select on Always Enable but still no subtitles. If when I start the movie and there is an SRT file present I would know that because under Settings it is there, right? I mean I dont understand why they dont appear if it sees theres an SRT file.

Is there a way to DL subtitles like Kodi does? I have an Opensubtitles account and have even input my account info for Opensubtitles but cant figure how to access the subtitles.

Any help would be appreciated. I have surfed and looked at a lot of threads concerning this but for whatever reason nothings working for me.

My PLEX system is hosted from home on a Windows 10 64bit PC

For whatever reason they’re working now.

Still not sure about how to get Opensubtitles working though