Since the driver is unsigned, you can enable Windows Test Mode permanently:
The Pinnacle 700-USB is officially supported by Pinnacle Studio software across various versions. Pinnacle 700-usb Driver Windows 10 64-bit High Quality
Running the capture device on Windows 10 (64-bit) is possible, though the hardware is considered "legacy" by its current owner, Corel . To achieve high-quality video capture without crashes, you must use specific drivers and often bypass original installation discs. Pinnacle 700-USB Driver Overview Since the driver is unsigned, you can enable