Look at the adapter itself or the original box for the model number (e.g., USB2VGAE2 ).
Download StarTech USB to VGA Adapter Driver for Windows 10/8/7 startech usb to vga adapter driver
StarTech makes several models (e.g., USB2VGAE2, USB32VGAEH, USB2VGAE3). The driver depends on the chipset inside (DisplayLink, Fresco Logic, or SiS). Most modern StarTech USB-to-VGA adapters use DisplayLink . Look at the adapter itself or the original