Take it to an internet-connected computer and upload it to the B&R context portal.
In the Automation Studio Licensing menu, select . b&r automation studio license key
Highly portable. You can install Automation Studio on multiple PCs (e.g., a desktop at the office and a rugged laptop for the field) and simply plug in the USB dongle to whichever machine you are currently using. Take it to an internet-connected computer and upload
Ensure your license key supports the specific version of Automation Studio (e.g., a v3.x key may not work for v4.x). b&r automation studio license key