If your intended game has multiple game files required, enter them here, one at a time. You likely need headerless versions of the game files that are required. This tool can remove the headers for you. The following are known valid CRC codes for the required game files.
3322EFFC: Zelda no Densetsu: Kamigami no Triforce (SNES) (1.0)
The file you selected looks like it could be a compressed file.
If it's a .zip, your operating system should be able to extract it by right-clicking.
If it's a .7z, you'll need 7-Zip (which is primarily a Windows application) to extract it.
If it's a .rar, you'll need WinRAR (which is primarily a Windows application) to extract it.