Ah just listen to my dumb explanation at the beginning, I was not ready orz
I have a friend who wants to know how to use this tool and I decided to share this with those people who need help too.
Also I'm sick today and my brother was making noise in the recording so-
Like other plugins - You have to unblock the WinRaR/ZIP file before extracting them.
UV Editor can do a few things but I only explained how to separate some materials to make models easier. For example - putting different textures, making ripped models from games etc.
Any problems with this plugin just ask me (except those I mentioned in the video that I haven't tried yet.)
Model ripped by Luwari from the game Identity V.
On this page of the site you can watch the video online [PMXEditor Tutorial] How to Split materials using UV Editor with a duration of hours minute second in good quality, which was uploaded by the user Fan-Tasy Ruby 31 March 2019, share the link with friends and acquaintances, this video has already been watched 4,320 times on youtube and it was liked by 135 viewers. Enjoy your viewing!