The most reliable way to obtain drivers is directly from the manufacturer. provides a dedicated download page for their various wireless receiver models.
To download the driver for your Jinco wireless USB adapter on Windows 7, visit the official Jinco Marketing Download Page jinco wireless usb adapter driver download windows 7 link
If your Jinco adapter has model numbers starting with AC (e.g., AC600, AC1200), it almost certainly uses a chipset. The most reliable way to obtain drivers is
Avoid "driver download" websites that require you to install an "installer" or "PC cleaner." Most are malware. Instead, download directly from chipset manufacturers or trusted repositories. jinco wireless usb adapter driver download windows 7 link