: The Wilcom EmbroideryStudio E2 installation typically prompts the user to attach the dongle at a specific stage of the wizard.
I understand you're looking for information on the (often referred to as a “Black” dongle, especially for the E2 version). Black Wilcom Embroidery Studio E2 Usb Dongle
Here are some common issues and their solutions: Black Wilcom Embroidery Studio E2 Usb Dongle