Re: New to roms and need help

thank you so much

Well first off is you need to extract the file it came in, which is a .7z file. Windows 10 (if I recall correctly) is able to open such files, which are known as compressed files, but if not I recommend 7zip or WinRAR (preferably WinRAR) to extract the file inside. Place the file inside to a folder of your choosing, then go into Dolphin and select Options > Configuration and head to the "Paths" tab, then click on the "Add..." button and choose the folder with your GCN/Wii games and they should show up for quick playing.