Settings file (settings.xml) does not change (Grand Theft Auto 5)

Here you need to unbind libraries, hacking like in gta 4, so that the game would scan the files in the folder...

Author_Nick Go
to the settings.xml properties, and if there is a checkmark against "Read only" uncheck it

That is, I remove the shadows, but in the game everything becomes by default, what can I do about it? Checking Only reading the file does not help. The game is a pirate.

Someone's hands grow in an unnecessary place, I kept everything