Download the latest version of USB SERIAL CH340 drivers according to your computer's operating system. Orcad pspice download.

Why do i see many drivers? Below is a list of drivers that may be suitable for your device. With the different devices, they can have the same driver, it's because they all use the same chip manufacturer. How to select driver? If you are looking for an update, pickup the latest one. If your driver isn't working, use the driver having the same OEM with the your laptop/desktop brand name.