WinSCP is a popular SFTP client and FTP client for Microsoft Windows which can be used as a GUI alternative to Putty or Terminal. The procedures below will allow you to perform tasks as Superuser just like you can with Putty or Terminal.
Superuser privileges may be needed for the following:
full read/write/ execute privileges
creating or installing files or software
modifying files and settings
deleting users and data
If you do not need superuser access