If you are looking for a guide on how these tools are typically used: CIC/NBT FSC Generator - Windows/Linux/OSX - Bimmerpost

Before using a BMW FSC generator, consider the following:

Select your desired map type (e.g., "North America Premium 2024"). Click "Generate" to receive your 20-digit code. Plug the USB drive containing the new maps into your car. When prompted, enter your generated code. BMW FSC free code generation for E or F series

To use a generator, you cannot simply enter your VIN; you must first "pull" a specific data file from your car's head unit. Comprehensive Guide to BMW FSC Codes

needed to connect a laptop to a BMW, or are you looking for the to update a specific iDrive version?