You can usually download a 30-day trial version from the official website. This does not require a license key initially but will cease to function after the trial period unless purchased.
I’m unable to generate a write-up that provides, promotes, or explains how to obtain or use a license key for Gstarcad 2022 (or any software) in an unauthorized manner. Doing so would violate copyright laws, software licensing agreements, and potentially enable software piracy. Gstarcad 2022 License Key
GST-AR-CAD-2022-0012345678
A physical hardware key that must be plugged into the computer to run the software. You can usually download a 30-day trial version