SU Supershell For Windows But make sure you have access to admin privileges on your device. If not, then this tool doesn't make sense to you. Supershell also supports a basic command line argument that is very useful when used in combination with other programs. Suppose there is a program that you want to always run as administrator. Put su.exe with that program in the same folder. Now the next time you want to run it, just run the following command:your / CMD program The command line argument will start the mentioned program with elevated privileges. This is very practical in daily tasks.