open notepad and past the following code: 
 
	 
	@echo off 
	cd C:\Users\ [Your User] \jagexcache\jagexlauncher\bin\ 
	start JagexLauncher.exe oldschool 
	cd C:\Users\ [Your User] \jagexcache\jagexlauncher\bin\ 
	start JagexLauncher.exe oldschool 
	cd C:\Users\ [Your User] \jagexcache\jagexlauncher\bin\ 
	start JagexLauncher.exe oldschool 
	cd C:\Users\ [Your User] \jagexcache\jagexlauncher\bin\ 
	start JagexLauncher.exe oldschool 
	cd C:\Users\ [Your User] \jagexcache\jagexlauncher\bin\ 
	start JagexLauncher.exe oldschool 
	exit
 
	Now replace [Your User] with whatever your account name is on your operating system. 
 
	Now that you have the correct path to the RuneScape exe. Save the file on your desktop. But don't save it as a .txt. save it as a .bin.  This code is for 5 windows. Copy and past below code before exit if you'd like to add more.
 
	Double click the .bin file on your desktop and it will instantly open up 5 windows.