Step one

Download the demo for the game from the game's store page

Step two

Download THIS, put the contents inside steamapps\common\Granblue Fantasy Versus Rising Demo\RED\Binaries\Win64

Step three

Download THIS, put it inside steamapps\common\Granblue Fantasy Versus Rising Demo\Engine\Binaries\ThirdParty\Steamworks \Steamv157\Win64

Enjoy the game!

If you need help, send me a dm on discord at novemberr or click here
Or join my IRC channel at dal.net #ember (or click here)