Magical Jelly Bean Keyfinder is an application that allows you to find the Product Key - An additional key in Windows that is used during installation. Magical Jelly Bean Keyfinder finds the corresponding entry in the system registry and extracts information about the key from it. More than 300 programs can use the Magic Mountain Jelly Bean Key Finder (along with Windows). The program can also be used to remove keys from other programs.booting Windows disks. An empty key can be saved to a new location (in CSV or TXT), printed or copied to a clipboard using the application (it supports 32-bit).bit systems. It can also download the existing registry data, so new Windows installations can get the data as soon as it is created.