pokemon trouble with tutorial

I'm guessing I'm acting blond but I cant get this Pokemon game to work for me I searched around the forum and found a tutorial but I cant understand parts of it and my computer couldn't open one of the things it said to download, could someone give me a quick how to, to make this game work?I'm using the Visual Boy Advance Emulatorthe rom I downloaded is https://www.romulation.org/GBA/1986_-_Pokemon_-_Emerald_Version_%28U%29.rar.html/the tutorial I found that my computer doesn't like is https://www.romulation.org/GBA/1986_-_Pokemon_-_Emerald_Version_%28U%29.rar.html/I'd really appreciated if somebody could help

Try to use the latest version of Visual Boy Advance.

http://vba.ngemu.com/