UEFITool is a tool that allows you to view and edit UEFI settings from BIOS image files.
Despite being an advanced tool, it can be used even by a beginner user since its interface is very intuitive and easy to understand.
It has compatibility with many types of BIOS images such as ROM, BIN, CAP, BIO, FD, WPH, and EFI.
To save the changes just go to the File option and then choose Save image file.